Document:

Exhibit 10.1

                            UNSECURED PROMISSORY NOTE

$75,000                                                October 22, 2003

      FOR VALUE RECEIVED, the undersigned, GreenMan Technologies Inc., (the
"Debtor"), hereby promises to pay to the order of Maurice E. Needham, 14 Bridge
Street, Manchester, MA (the "Holders") on or before June 30, 2004, the principal
sum of Seventy Five Thousand Dollars ($75,000) or such lesser principal amount
then outstanding, together with all accrued and unpaid interest thereon.
Interest on the principal amount of this Note will accrue from and including the
date hereof until and including the date such principal amount is paid, at a
rate equal to twelve percent (12%) per annum. Interest only shall be payable, in
quarterly installments commencing on January 1, 2004 in lawful money of the
United States of America, in immediately available funds. Interest shall be
computed on the basis of a 360-day year and a 30-day month.

      The outstanding balance of this Note shall be rendered immediately due and
payable, without the necessity of a Demand Notice, in case of any of the
following acts (individually, an "Event of Default"): (a) entry of any judgment
or order against the Debtor for the payment of money, if the same is not
satisfied or enforcement proceedings are not stayed within sixty (60) days or
if, within sixty (60) days after the expiration of any such stay, the judgment
or order is not dismissed, discharged or satisfied; (b) appointment of a
receiver, trustee, custodian or similar official, for the Debtor or any property
or assets of the Debtor; (c) conveyance of any or all assets to a trustee,
mortgagee or liquidating agent or assignment for the benefit of creditors by the
Debtor; or (d) commencement of any proceeding under any law or any jurisdiction,
now or hereafter in force, relating to bankruptcy, insolvency, renegotiation of
outstanding indebtedness, arrangement or otherwise to the relief of debtors or
the readjustment of indebtedness, by or against the Debtor. Notwithstanding
anything contained herein to the contrary, upon the occurrence of any such Event
of Default, the entire outstanding amount of principal and interest of this Note
shall become immediately due and payable, without presentment, demand, protest
or other notice of any kind, all of which are hereby expressly waived.

      The Debtor may prepay this Note, in whole or in part, at any time prior to
demand or acceleration. Any permitted prepayment of principal by the Debtor will
be accompanied by payment of all accrued and unpaid interest on the principal
sum being repaid plus a prepayment penalty equal to three months interest.

      The Debtor agrees to pay all costs, charges and expenses incurred by the
Holders and its assigns (including, without limitation, costs of collection,
court costs, and reasonable attorneys' fees and disbursements) in connection
with the successful enforcement of the Holders's rights under this Note (all
such costs, charges and expenses being herein referred to as "Costs").
Presentment for payment, demand, protest, notice of protest and notice of
nonpayment are hereby waived. The Debtor agrees that any delay on the part of
the Holders in exercising any rights hereunder will not operate as a waiver of
such rights, and further agrees that any payments received hereunder will be
applied first to Costs, then to interest, and the balance to principal. The
Holders shall not by any act, delay, omission, or otherwise be deemed to waive
any of its rights or remedies, and no waiver of any kind to enforce this Note
shall be valid unless in writing and signed by the Holders. This Note is payable
in any events and is not subject to offset or reduction because of any other
claims of Debtor against the Holders.

<PAGE>

      This Note applies to, inures to the benefit of, and binds the successors
and assigns of the parties hereto. This Note is not negotiable or transferable
to any other Holders without the written consent of the Debtor. This Note is
made under and shall be governed by the internal laws of the Commonwealth of
Massachusetts.

      IN WITNESS WHEREOF, the Debtor has executed this Note as an instrument
under seal as of the date first written above.

DEBTOR

/s/ Charles E. Coppa
-----------------------
GreenMan Technologies Inc.
Charles E. Coppa
Chief Financial OfficerPROMISSORY NOTE

Principal Amount: US$100,000
Revolving Loan:   January 1, 2002

     FOR  VALUE  RECEIVED, E-Trend Networks, Inc. with a head office at 5919 3rd
                           ----------------------
St.  S.E.  Calgary,  Alberta  (the  "Borrower"), promises to pay to the order of
Wilmington  Rexford,  Inc.  a  Delaware  corporation  with  a head office at 515
SeaBreeze  Blvd., Suite 530 Fort Lauderdale, Florida 33316 (the "Lender"), on or
before  December 31, 2002 (in accordance with the terms and conditions set forth
herein)  the  sum  of  ONE  HUNDRED  THOUSAND  US  DOLLARS  ($100,000.00US) (the
"Principal Sum"), in lawful money of United States together with interest on the
Principal  Sum  from the date that the Principal Sum is advanced to the Borrower
at  the  Interest Rate (the "Loan"). "Interest Rate" means six percent (10%) per
annum.

     This loan shall be a revolving loan and at no time exceed $100,000 USD.  At
any  time  monies  or  services  will  be  advanced to E-Trend Networks, Inc. by
Wilmington  Rexford  and  paid  back  by  E-Trend  Networks,  Inc.

     All  payments  shall be applied first to accrued and unpaid interest due on
the  unpaid  Principal  Sum.

     The  Borrower  may  repay the Loan in whole or in part at any time prior to
December  31,  2002  without  penalty.

     The  Lender  may  demand repayment of the Loan upon the commencement by the
Borrower or any direct or indirect subsidiary of the Borrower of (i) a voluntary
case  under  Title  11  of  the United States Code entitled "Bankruptcy," or any
successor  thereto,  or the commencement of an involuntary case thereunder which
is  not  controverted  within  10  days  and  dismissed  within  60  days  after
commencement,  or  (ii)  a  proceeding  under  any  reorganization, arrangement,
adjustment of debt, relief of debtors, dissolution, insolvency or liquidation or
similar  law  of  any  jurisdiction  whether  now  or hereafter in effect or the
commencement  of  such a proceeding which is not converted within 10 days and
dismissed  within  60  days  after  commencement.

     The  makers,  endorsers,  and  all  parties  to  this  Note  hereby  waive
presentment  and  notice of demand, protest and notice of protest and nonpayment
of  this  note.

     The  makers  and endorsers hereby acknowledge and agree that they shall not
be  entitled,  at  any time, to set off any amounts due hereunder, including any
accrued  but  unpaid  interest  against  any  amounts  due  and owing by E-Trend
Networks, Inc., its successors or assigns, to the Borrower, or its successors or
assigns.

     Payment  of  this Note is secured by a first charge debenture in all assets
of  Borrower.

     Borrower  and  any  guarantors hereof agree to pay all reason-able costs of
collection,  including  attorneys'  fees,  paid  or  incurred  by Note Holder in
enforcing  this  Note  on  default.

     This  Promissory Note shall be governed by the laws of the State of Nevada,
and  the parties hereto specifically attorn to the jurisdiction of the Courts in
the  State  of  Nevada

E-TREND  NETWORKS,  INC.

Per: ________________________

Acknowledged and agreed to this 14th day of January, 2002

/s/  Wilmington Rexford, Inc.
-----------------------------
Wilmington Rexford, Inc.
Per:  Garrett Krause,  CEOTHE  SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT HAVE NOT BEEN REGISTERED
UNDER  THE  SECURITIES  ACT  OF  1933 (THE "1933 ACT"), NOR REGISTERED UNDER ANY
STATE  SECURITIES  LAW.  THE  SECURITIES  MAY  NOT  BE OFFERED FOR SALE, SOLD OR
OTHERWISE  TRANSFERRED  EXCEPT  PURSUANT  TO AN EFFECTIVE REGISTRATION STATEMENT
UNDER THE 1933 ACT, OR PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE 1933
ACT,  THE  AVAILABILITY OF WHICH IS TO BE ESTABLISHED TO THE SATISFACTION OF THE
COMPANY.

AGREEMENT FOR THE EXCHANGE OF COMMON STOCK

AGREEMENT  made  this  6th  day  of October, 2003, by and between Langara Group,
Inc.,  a  Province of Alberta corporation (hereinafter, called "ISSUER") and the
individuals listed in Exhibit A attached hereto and made an integral part hereof
(hereinafter,  called  "E-TREND"),  which  E-TREND  owns  100%  of  LANGARA
ENTERTAINMENT, INC a music distribution company (hereinafter, called "E-TREND").

In  consideration  of  the  mutual  promises,  covenants,  and  representations
contained  herein,  and  other  good  and  valuable  consideration,

THE  PARTIES  HERETO  AGREE  AS  FOLLOWS:

1.   EXCHANGE  OF  SECURITIES.  Subject  to  the  terms  and  conditions of this
     ------------------------
     Agreement, the ISSUER agrees to issue to E-TREND, 250 shares of the ISSUER,
     par  value  of  $0.001  per  share  (hereinafter,  called  the "SHARES") in
     exchange  for  1000  shares  representing  100%  of  all  the  issued  and
     outstanding  stock  of Langara Entertainment, Inc. The 250 shares represent
     25%  of  all the issued and outstanding stock of the company Langara Group,
     Inc.)

2.   REPRESENTATIONS AND WARRANTIES. ISSUER represents and  warrants  to E-TREND
     -------------------------------
     and  E-TREND  the  following:

i    Organization.ISSUER  is  a corporation duly organized under the laws of the
     -------------
     Province  of  Alberta  and  has  all  the necessary corporate powers to own
     properties and carry on a business, and is duly qualified to do business in
     the  Province of Alberta. All actions taken by the incorporators, directors
     and  E-TREND  of the ISSUER have been valid and in accordance with the laws
     of  the  State  of  Province  of  Alberta.

ii   Capital.The  authorized  capital  stock  of the ISSUER  is 5,000  shares of
     --------
     common stock, $0.001 par value, of which 750 are issued and outstanding and
     zero  shares  of  preferred  stock, $0.001 per value, of which there are no
     issued  and  outstanding.  All  outstanding  shares  are  fully  paid  and
     non-assessable,  free  of  liens,  encumbrances, options, restrictions, and
     legal  or  equitable  rights  of  others  not a party to this Agreement. At
     closing,  there  will  be  no  outstanding  subscriptions, options, rights,
     warrants,  convertible  securities,  or  other  agreements  or  commitments
     obligating  ISSUER to issue or to transfer from the treasury any additional
     shares  of  its capital stock. None of the outstanding shares of the ISSUER
     are  subject to any stock restriction agreements. All of the E-TREND of the
     ISSUER  have  valid  title  to  such  shares and acquired their shares in a
     lawful transaction and in accordance with the laws of the State of Province
     of  Alberta.

iii. Financial  Statements.   Un-audited  Statements
     ----------------------

iv.  Absence  of  Change. Since  the  date of the balance sheet,  there  has not
     --------------------
     been  any  change  in  the financial condition or operations of the ISSUER,
     except  changes in the ordinary course of business, which changes have not,
     in  the  aggregate,  been  materially  adverse.

v.   Liabilities.  ISSUER  does not  have any debt,  liability, or obligation of
     ------------
     any  nature,  whether  accrued,  absolute,  contingent,  or  otherwise, and
     whether  due  or  to  become  due,  that  is  not reflected on the ISSUER'S
     financial  statement.  ISSUER  is  not  aware of any pending, threatened or
     asserted  claims,  lawsuits  or  contingencies  involving the ISSUER or its
     common  stock.  There  is no dispute of any kind between the ISSUER and any
     third  party,  and  no  such  dispute  will  exist  at  the closing of this
     Agreement.  At  the  closing,  ISSUER  will  be  free  from  any  and  all
     liabilities,  liens,  claims  and/or  commitments.

vi.  Ability  to  Carry  out  Obligation.  ISSUER  has  the  right,  power,  and
     ------------------------------------
     authority  to  enter into and perform its obligations under this Agreement.
     The  execution and delivery of this Agreement by ISSUER and the performance
     by  ISSUER  of  its  obligations  hereunder  will not cause, constitute, or
     conflict  with  or  result in (a) any breach or violation or the provisions
     of,  or  constitute  a  default  under  any  license,  indenture, mortgage,
     charter,  instrument,  articles of incorporation, bylaw, or other agreement
     or  instrument  to which the ISSUER or its E-TREND are a party, or by which
     they  may  be  bound,  nor will any consents or authorizations of any party
     other  than  those  hereto  be required, (b) any event that would cause the
     ISSUER to be liable to any party, or (c) any event that would result in the
     creation  or imposition or any lien, charge or encumbrance on any assets of
     the  ISSUER  or  upon  the  securities  of the ISSUER to be acquired by the
     E-TREND.

vii. Full Disclosure. None of the representations and  warranties  made  by  the
     ----------------
     ISSUER,  or  any  certificate or memorandum furnished or to be furnished by
     the  ISSUER,  contains  or  will contain any untrue statement of a material
     fact,  or omit any material fact the omission of which would be misleading.

viii.Contracts  and Leases. ISSUER is not currently carrying on any business and
     ----------------------
     is  not  a  party  to  any contract, agreement, or lease. No person holds a
     power  of  attorney  from  ISSUER.

ix.  Compliance  with  the  Laws. ISSUER  has  complied  with,  and  is  not  in
     ----------------------------
     violation  of  any  federal,  state or local statue, law, and/or regulation
     pertaining  to  ISSUER.  ISSUER  has  complied  with all federal, and state
     securities  laws  in connection with the issuance, sale and distribution of
     its  securities.

X.   Litigation.  ISSUER  is not (and has not been) a party to any suit, action,
     -----------
     arbitration,  or  legal,  administrative,  or  other proceeding, or pending
     governmental  investigation.  To  the  best of the knowledge of the ISSUER,
     there  is  no basis for any such action or proceeding and no such action or
     proceeding is threatened against the ISSUER and ISSUER is not subject to or
     in  default  with  respect to any order, writ, injunction, or decree of any
     federal,  state,  local,  or  foreign  court,  department,  agency,  or
     instrumentality.

xi.  Conduct  of  Business.  Prior  to  the  closing,  the  ISSUER shall conduct
     ----------------------
     business  in  the  normal course, and shall not (a) sell, pledge, or assign
     any  assets, (b) amend its article of incorporation or By-laws, (c) declare
     dividends,  redeem  or  sell  stock  or  other  securities,  (d)  incur any
     liabilities, (e) acquire or dispose of any assets, enter into any contract,
     guarantee  obligations  of  any  third  party,  or (f) enter into any other
     transaction.

xii. Corporate  Documents.  Copies of each  of  the following  documents,  which
     ---------------------
     are  true,  complete and correct in all material respects, will be attached
     hereto  and  made  an  integral  part  hereof  to  this  Agreement:

     (1)  Articles  of  Incorporation;
     (2)  By-laws;
     (3)  Minutes  of  E-TREND  Meetings;
     (4)  Minutes  of  Directors  Meetings;
     (5)  List  of  Officers  and  Directors;
     (6)  Balance  Sheet  as  described  in  Section  2(iii);  and
     (7)  Stock register and stock records of the ISSUER and a current, accurate
          list  of  the  ISSUER's  E-TREND.

xiii.Documents.  All minutes, consents or other documents pertaining to the
     ISSUER to be delivered at the closing shall be valid and in accordance with
     the  laws  of  the  State  of  Province  of  Alberta.

xiv  Title.  The  Shares  to be issued  to E-TREND will be, at the closing, free
     and  clear  of  all  liens,  security  interests, pledges, charges, claims,
     encumbrances  and restrictions of any kind. None of such Shares are or will
     be  subject  to  any  voting trust or agreement. No person holds or has any
     right  to  receive  any  proxy  or  similar instrument with respect to such
     shares, except as provided for in this Agreement, the ISSUER is not a party
     to any agreement which offers or grants to any person the right to purchase
     or  acquire  any of the securities to be issued to the E-TREND. 'Mere is no
     applicable local, state or federal law, rule or regulation, or decree which
     would,  as  a  result  of  the  issuance  of the Shares to E-TREND, impair,
     restrict,  or  delay  E-TREND'S  voting  rights with respect to the Shares.

xv.  Lock-Up.  ISSUER  will  cause, to the extent requested by any  underwriter,
     --------
     broker-dealer,  market  maker,  or  the  like, of securities of ISSUER, the
     E-TREND  of ISSUER to agree not to sell or otherwise transfer or dispose of
     any or all of the shares of ISSUER presently outstanding, during any period
     of time as so requested. In order to enforce the foregoing covenant, ISSUER
     agrees  to  impose  stop-transfer  instructions  as  to  such  stock.

3.   E-TREND  REPRESENT and  warrant  to  the ISSUER  the  following:
     --------------------------------------------------------------

i.   Organization.   All  actions  taken  by E-TREND, the owners and E-TREND  of
     -------------
     the  E-TREND  have  been  valid  and  in  accordance  with  all  laws.

ii.  Counsel.  E-TREND  represent  and  warrant prior to the Closing, that  they
     --------
     are  represented  by  independent  counsel  or  have had the opportunity to
     retain  independent  counsel  to  represent  them  in  this  transaction.

4.   INVESTMENT  INTENT.  E-TREND agrees that the Shares  being  issued pursuant
     -------------------
     to this Agreement may be sold, pledged, assigned, hypothecated or otherwise
     transferred,  with  or  without  consideration  (hereinafter  called  a
     "TRANSFER"), only pursuant to an effective registration statement under the
     1933 ACT, or pursuant to an exemption from registration under the 1933 ACT,
     the  availability  of which is to be established to the satisfaction of the
     ISSUER.

5.   CLOSING.  Theclosing of this transaction shall take place at the offices of
     --------
     eAngels  Equity,  LLC  4764  Park Granada, #107, Calabasas, CA. 91302, upon
     receipt  or exchange, as the case may be of the items referenced in Section
     6, below. Closing date will be set for the latest, October 6th, 2003 at 5PM
     West  Coast  Time.

6.   DOCUMENTATION  TO  BE  DELIVERED  AT  CLOSING.
     ----------------------------------------------

i.   By  the ISSUER
     -------------

     (1)  Board  of  Directors Minutes authorizing the issuance of a certificate
          or certificates for total of 250 new shares registered in the names of
          the  E-TREND.

     (2)  Such  other minutes of ISSUER's E-TREND or directors as may reasonably
          be  required  by  E-TREND.

ii.  By E-TREND:
     -----------

     (1)  Consents  signed by E-TREND consenting to the terms of this Agreement.

     (2)  1,000  shares  of LANGARA ENTERTAINMENT, INC. representing 100% issued
          and  outstanding.

     (3)  All  the business and corporate records of LANGARA ENTERTAINMENT, INC,
          including  but  not limited to, correspondence files, bank statements,
          checkbooks,  savings  account  books,  minutes  of  shareholder  and
          directors  meetings, financial statements, shareholder listings, stock
          transfer  records,  agreements  and  contracts.

7.   REMEDIES.
     ---------

i.   Arbitration.  Any controversy or claim arising out of, or relating to, this
     ------------
     Agreement,  or the making, performance, or interpretation thereof, shall be
     settled  by  arbitration  in the State of Province of Alberta in accordance
     with  the  Rules of the American Arbitration Association then existing, and
     judgment  on  the  arbitration  award  may  be  entered in any court having
     jurisdiction  over  the  subject  matter  of  the  controversy.

8.   MISCELLANEOUS.
     --------------

i.   Captions  and Headings.  The Article and paragraph headings throughout this
     -----------------------
     Agreement  are  for  convenience and reference only, and shall in no way be
     deemed  to  define,  limit,  or add to the meaning of any provision of this
     Agreement.

ii.  No  Oral  Change.  The  Agreement  and  any  provision  hereof,  may not be
         -------------
     waived,  changes,  modified, or discharged orally, but only by agreement in
     writing signed by the party against whom enforcement of any waiver, change,
     modification,  or  discharge  is  sought.

iii. Non Waiver. Except as otherwise expressly  provided  herein,  no waiver  of
     -----------
     any  covenant, condition, or provision of this Agreement shall be deemed to
     have  been made unless expressly in writing and signed by the party against
     whom  such waiver is charged; and (i) the failure of any party to insist in
     any  one  or  more  cases  upon  the  performance of any of the provisions,
     covenants, or conditions of this Agreement or to exercise any option herein
     contained  shall  not  be  construed  as a waiver or relinquishment for the
     future  of  any  such  provisions,  covenants,  or  conditions,  (ii)  the
     acceptance  of  performance  of  anything  required by this Agreement to be
     performed  with knowledge of the breach or failure of a covenant, condition
     or provision hereof shall not be deemed a waiver of such breach or failure,
     and  (iii)  no  waiver by any party of one breach by another party shall be
     construed  as  a  waiver  with  respect  to any other or subsequent breach.

iv.  Time of Essence.  Time is of the essence of the Agreement and of  each  and
     ---------------
     every  provision  hereof.

V.   Entire  Agreement.  This  Agreement  contains  the  entire  agreement  and
     ------------------
     understanding  between  the  parties  hereto,  and  supersedes  all  prior
     agreements  and  understandings.

vi.  Counterparts.  This  Agreement  may  be  executed simultaneously in one  or
     -------------
     more  counterparts,  each  of which shall be deemed as original, but all of
     which  together  shall  constitute  one  and  the  same  instrument.

vii. Notices.  All notices, requests,  demands,  and  other communications under
     --------
     this  Agreement  shall  be in writing and shall be deemed to have been duly
     given  on the date of service if served personally on the party to whom the
     notice  is  to  be  given,  or the third day after mailing if mailed to the
     party  to  whom  notice  is to be given, by first class mail, registered or
     certified,  postage  prepaid, and properly address, and by fax, as follows:

     E-TREND:                               ISSUER:
     --------                               -------

     E-Trend  Networks,  Inc.               Langara  Group,  Inc.
     3753 Howard Hughes Parkway,  #200      3753 Howard Hughes Parkway,  #200
     Las Vegas, Province of Alberta 89109   Las Vegas, Province of Alberta 89109

IN  WITNESS WHEREOF, the undersigned has executed this Agreement this 6th day of
October,  2003

E-TREND  NETWORKS,  INC.                     LANGARA  GROUP,  INC.

/s/ Garrett  Krause                          /s/ Garrett  Krause
-------------------                          ---------------------
Garrett Krause as per Directors              Garrett Krause as per the E-TREND
Resolution of E-Trend Networks, Inc.         and Directors Langara Group, Inc.

                                    EXHIBIT A

                          E-TREND TO BE ISSUED SHARES

E-Trend Networks     250,000 Preferred shares

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