Document:

Exhibit 10.3

September 2, 2005

VIA EMAIL to rosetto@blankrom.com

AGU Entertainment Corp.
The Tube Music Network, Inc.
AGU Music, Inc. f/k/a Pyramid Records International, Inc.
c/o Bruce C. Rosetto, Esq.
Blank Rome LLP1200 N. Federal Highway, Suite 417Boca Raton, FL 33432

      Re:   Promissory Note in the amount of $150,000 from Robert Alan Kast
            ("Lender") to AGU Entertainment Corp. ("AGU"), (the "Borrower"),
            dated May 31, 2005 (the "Loan")

Dear Bruce:

This letter, when fully signed and delivered, will (a) confirm the
understandings between Lender and Borrower relating to the Loan, and (b) serve
to modify the "Note".

For and in consideration of the sum of TEN ($10.00) DOLLARS, the mutual promises
contained herein, and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties, intending to be
legally bound, do hereby agree as follows:

      1. Lender hereby agrees that the Maturity Date under the Loan shall be
extended to December 15, 2005, upon which time all principal and interest shall
be due in full.

      2. Except as herein provided, all provisions of the Note are hereby
ratified and re-affirmed, and shall be and remain fully enforceable in
accordance with their terms.

      3. Borrowers do not have and at no prior time had, and/or hereby waive any
defenses (including, without limitation, the defense of usury), claims,
counterclaims, cross actions or equities, or rights of rescission, set off,
abatement or diminution, with respect to the Loan, as modified herein.

      4. No other documentation shall be necessary to effectuate this
Modification. However, Borrower, upon request of Lender, shall execute and
deliver all such documents, and taken all such action, as may be reasonably
requested by Lender to better effectuate the provisions of this Modification.

<PAGE>

      5. Except if and as otherwise required by law, Borrowers hereby waive any
notices of default, notices of non-payment, presentment or demand relating to
the Loan. This applies to all future occurrences. The parties understand that,
except as required by law, there will be no further "grace periods" allowed in
the Loan, notwithstanding anything in Note to the contrary.

Please call me immediately should you have any questions or comments. Thank you.

Very truly yours,

By: /s/ Robert Alan Kast
    -------------------------
    Robert Alan Kast

ACKNOWLEDGED AND AGREED
this 2nd day of September, 2005, by:

BORROWERS:

AGU Entertainment Corp.

By:  /s/ David C. Levy
     -------------------------------Exhibit 10.4

                                 PROMISSORY NOTE

                                                         Dated:  August 31, 2005

1.    Principal / Borrowers Promise to Pay

FOR VALUE RECEIVED, the undersigned, AGU ENTERTAINMENT CORP., a Colorado
corporation whose address is 3200 Oakland Park Blvd., Lauderdale Lakes, Florida
33311 ("Borrowers"), promises to pay to Dr. Robert Alan Kast, ("Lender"), whose
address is 21875 Cartagena Drive, Boca Raton, Florida 33428, the principal sum
of $500,000.00, with annual interest thereon calculated in accordance with the
terms and provisions provided below. All sums owing under this Note are payable
in lawful money of the United States of America.

2.    Interest

      Interest accrued on this Note shall be payable at a fixed annual rate of
6.0%, until such time as this Note is paid in full.

      All amounts required to be paid under Lender's Note shall be payable at
Lender's office located at 21875 Cartagena Drive, Boca Raton, Florida 33428, or
at another place as Lender, from time to time, may designate in writing.

      Interest calculations shall be based on a 360 day year and charged on the
basis of actual days elapsed.

3.    Accrual of Monthly Interest

      Accrual of Monthly Interest With Balloon Payment. Interest on the
outstanding principal balance shall be accrued monthly commencing on the date
hereof, and continuing thereafter until the Maturity Date at which time the
entire unpaid balance, together with all accrued interest and fees, shall be due
and payable in full.

4.    Maturity Date

      The entire principal balance of this Note, together with all accrued and
unpaid interest and fees, shall be due and payable on December 15, 2005
("Maturity Date"), unless otherwise prepaid in accordance with the terms of this
Note. Notwithstanding the foregoing, the Borrowers shall make the following
payments of principal: (i) $200,000 on September 10, 2005; (ii) $200,000 on
October 10, 2005; and (iii) $100,000 on November 10, 2005.

5.    Prepayment

      Borrowers may prepay the whole or any portion of this Note on any date,
upon five days' notice to Lender; however, such prepayment shall not affect
Lender's right to exercise his Option to Purchase.

<PAGE>

6.    Late Charge

      If any required payment, including the final payment due on the maturity
date, is not paid within 15 days from and including the date upon which it was
due (whether by acceleration or otherwise), then, in each such event, all past
due amounts shall be subject to a late penalty of five (.05) cents on every
dollar owed (the "late penalty"). This late penalty shall be in addition to any
other interest due as provided for in Paragraph 2 and in addition to all other
rights and remedies provided herein or by law for the benefit of the holder on a
default. The acceptance of any payment by the holder of the Note shall not act
to restrict the holder at all in exercising any other rights under the Note or
the law, to waive or release Borrowers from any obligations contained herein, or
to extend the time for payments due under this Note.

7.    Default and Remedies

      If Borrowers fail to pay principal and/or interest on the date on which it
falls due or to perform any of the agreements, conditions, covenants,
provisions, or stipulations contained in this Note, then Lender, at its option
and without notice to Borrowers, may declare immediately due and payable the
entire unpaid balance of principal with interest from the date of default at the
rate of 12% per year and all other sums due by Borrowers hereunder anything
herein to the contrary notwithstanding. Payment of this sum may be enforced and
recovered in whole or in part at any time by one or more of the remedies
provided to Lender in this Note. In that case, Lender also may recover all costs
in connection with suit, a reasonable attorney's fee for collection, and
interest on any judgment obtained by Lender at the rate of 12% per year.

      The remedies of Lender and the warrants provided in this Note shall be
cumulative and concurrent, and they may be pursued singly, successively, or
together at the sole discretion of Lender. They may be exercised as often as
occasion shall occur, and failing to exercise one shall in no event be construed
as a waiver or release of it.

8.    Attorneys' Fees and Costs

      Borrowers shall pay all attorneys fees in connection with the preparation
of this Note.

      If Lender engages any attorney to enforce or construe any provision of
this Note, or as a consequence of any default whether or not any legal action is
filed, Borrowers immediately shall pay on demand all reasonable attorneys' fees
and other Lender's costs, together with interest from the date of demand until
paid at the highest rate of interest then applicable to the unpaid principal, as
if the unpaid attorneys' fees and costs had been added to the principal.

9.    Waivers

      (a) Borrowers hereby waive and release all benefit that might accrue to
Borrowers by virtue of any present or future laws of exemption with regard to
real or personal property or any part of the proceeds arising from any sale of
that property, from attachment, levy, or sale under execution, or providing for
any stay of execution, exemption from civil process, or extension of time for
payment. Borrowers agree that any real estate that may be levied on under a
judgment obtained by virtue hereof, on any writ of execution issued thereon, may
be sold on any writ in whole or in part in any order desired by Lender.

<PAGE>

      (b) Borrowers and all endorsers, sureties, and guarantors jointly and
severally waive presentment for payment, demand, notice of demand, notice of
nonpayment or dishonor, protest, notice of protest of this Note, and all other
notices in connection with the delivery, acceptance, performance, default, or
enforcement of the payment of this Note. They agree that each shall have
unconditional liability without regard to the liability of any other party and
that they shall not be affected in any manner by any indulgence, extension of
time, renewal, waiver, or modification granted or consented to by Lender.
Borrowers and all endorsers, sureties, and guarantors consent to any and all
extensions of time, renewals, waivers, or modifications that may be granted by
Lender with respect to the payment or other provisions of this Note, and to the
release of any collateral or any part thereof, with or without substitution, and
they agree that additional borrowers, endorsers, guarantors, or sureties may
become parties hereto without notice to them or affecting their liability
hereunder.

      (c) Lender shall not be considered by any act of omission or commission to
have waived any of its rights or remedies hereunder, unless such waiver is in
writing and signed by Lender, and then only to the extent specifically set forth
in writing. A waiver on one event shall not be construed as continuing or as a
bar to or waiver of any right or remedy to a subsequent event.

10.   Notices

      All notices required under or in connection with this Note shall be
delivered or sent by certified or registered mail, return receipt requested,
postage prepaid, to the addresses set forth in Paragraph 1 hereof, or to another
address that any party may designate from time to time by notice to the others
in the manner set forth herein. All notices shall be considered to have been
given or made either at the time of delivery thereof to an officer or employee
or on the third business day following the time of mailing in the aforesaid
manner.

11.   Costs and Expenses

      Borrowers shall pay the cost of any revenue tax or other stamps now or
hereafter required by law at any time to be affixed to this Note.

12.   No Partnership or Joint Venture

      Nothing contained in this Note or elsewhere shall be construed as creating
a partnership or joint venture between Lender and Borrowers or between Lender
and any other person or as causing the holder of the Note to be responsible in
any way for the debts or obligations of Borrowers or any other person.

13.   Interest Rate Limitation

      Notwithstanding anything contained herein to the contrary, the holder
hereof shall never be entitled to collect or apply as interest on this
obligation any amount in excess of the maximum rate of interest permitted to be
charged by applicable law. If the holder of this Note ever collects or applies
as interest any such excess, the excess amount shall be applied to reduce the
principal debt; and if the principal debt is paid in full, any remaining excess
shall be paid forthwith to Borrowers. In determining whether the interest paid
or payable in any specific case exceeds the highest lawful rate, the holder and
Borrowers shall to the maximum extent permitted under applicable law (a)
characterize any non principal payment as an expense, fee, or premium rather
than as interest; (b) exclude voluntary prepayments and the effects of these;
and (c) spread the total amount of interest throughout the entire contemplated
term of the obligation so that the interest rate is uniform throughout the term.
Nothing in this paragraph shall be considered to increase the total dollar
amount of interest payable under this Note.

<PAGE>

14.   Obligations of the Persons Under this Note

      If more than one person signs this Note, each person is fully and
personally obligated to keep all of the promises made in this Note, including
the promise to pay the full amount owed. Any person who is a guarantor, surety
or endorser of this Note is also obligated to do these things. Any person who
takes over these obligations, including the obligations of a guarantor, surety
or endorser of this Note is also obligated to keep all of the promises made in
this Note. The Note Holder may enforce its rights under this Note against each
person individually or against all of us together. This means that any one of us
may be required to pay all of the amounts owed under this Note.

15.   Modification

      In the event this Note is pledged or collaterally assigned by Lender at
any time or from time to time before the maturity date, neither Borrowers nor
Lender shall permit any modification of this Note without the consent of the
pledgee/assignee.

16.   Number and Gender

      In this Note the singular shall include the plural and the masculine shall
include the feminine and neuter gender, and vice versa, if the context so
requires.

17.   Headings

      Headings at the beginning of each numbered paragraph of this Note are
intended solely for convenience of reference and are not to be construed as
being a part of the Note.

18.   Time of Essence

      Time is of the essence with respect to every provision of this Note.

19.   Governing Law

      This Note shall be construed and enforced in accordance with the laws of
the State of Florida, except to the extent that federal laws preempt the laws of
the State of Florida.

<PAGE>

      IN WITNESS WHEREOF, Borrowers have executed this Promissory Note on the
date set forth above.

Signed in the presence of:                  AGU Entertainment Corp

                                            By: /s/ David C. Levy
                                                ---------------------
                                                David Levy, President

PREPARED BY:  Blank Rome LLP
1200 N. Federal Highway
Suite 417
Boca Raton, FL 33432
Attn: Bruce C. Rosetto, Esq.

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