system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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1 EXHIBIT 10.17 PRODUCT DEVELOPMENT AND CO-BRANDING AGREEMENT "SONGS 4 WORSHIP SERIES" EXCLUDING CONFIDENTIAL PORTIONS /1/ Indicates information which has been redacted pursuant to a request for confidential treatment. 2 INDEX TO THE CONFIDENTIAL PORTIONS PAGE SECTION LINE(S) ---- ------- ------- 1 1(c) 3, 4, and 5 3 3(a) 4, 5, 10, 11, 12 and 13 4 4(c) 2, 4 and 5 4 4(d) 2, 3, 4 and 5 5 5 2 3 PRODUCT DEVELOPMENT AND CO-BRANDING AGREEMENT "SONGS 4 WORSHIP SERIES" This Agreement, entered into this the 10th day of January 2000, by and between INTEGRITY INCORPORATED, a Delaware corporation with principal offices at 1000 Cody Road, Mobile, Alabama ("Integrity") and TIME LIFE, INC., a Delaware corporation d/b/a Time Life Music, with principal offices located at 2000 Duke Street, Alexandria, Virginia 22314 ("TL"). The parties wish to produce a series of recorded compilations and companion song books featuring praise and worship repertoires, which will be co-branded and co-marketed throughout the world. Now, therefore, the parties agree as follows: 1. Product Concept and Creation. a. Product description. The product to be created under the series trade name "Songs 4 Worship" will be a praise and worship continuity series, with each volume in the series containing approximately 22 songs. Each volume will be manufactured in Double CD, Double Cassette, and song book formats, with standard double jewel boxes, inlays, booklets and j-cards (the "Product"). TL and Integrity will jointly develop the repertoire, and all repertoire selections are subject to master, mechanical and print rights clearance in accordance with the financial terms established below. The exact songbook format, song selection and number of songbook volumes has not yet been determined, and TL has no obligation to sell any songbooks produced pursuant to this Agreement. b. Branding. The Product will prominently display the "Songs 4 Worship" logo and trademark (or other logo as mutually approved) and will also bear the labels of "Time Life Music" and "Integrity Music" in equal proportion on the exterior of Product packaging. The "Integrity Music" and "Time Life Music" logos will be used on advertising whenever possible, and it is understood that neither logo will be used without the other with reference to the Product. c. Integrity's responsibilities. Integrity will obtain master lease and print agreements with all third party owners of masters embodied in the Product at its own expense. Mechanical rates will not exceed [**]/1/ percent ([**]/1/%) of the then-current statutory rate, and Print licenses will not exceed a prorated portion of [**]/1/ percent ([**]/1/%) of the retail selling price, Integrity will also manufacture the Product and sell to TL its requirements for resale. --------------- /1/ Indicates information which has been redacted pursuant to a request for confidential treatment. 4 Source: INTEGRITY MEDIA INC, 10-K405, 3/29/2001 d. TL's responsibilities. At its sole expense, TL will create all artwork for Product covers and packaging, and furnish Integrity with the same for manufacturing of the Products. All such artwork will be subject to Integrity's reasonable approval. (Integrity agrees to respond to any request for approval within five (5) business days after Integrity's receipt of request and samples.) In addition, TL will pay all mastering expense required in preparation for manufacturing. e. Shared expenses. The parties agree to share equally in costs of additional products created (excluding the Product, and song books, which such song books shall be created at Integrity's sole discretion and expense), by mutual agreement under the "Songs 4 Worship" branding. 2. Marketing and Distribution. a. Time Life Distribution. TL will hold exclusive worldwide rights to promote and sell the product through the following distribution channels: Outgoing telemarketing, General Market retail, and General Market catalogs, and exclusive rights within the United States for Television Direct response. TL will have Internet and e-commerce rights with respect to its own web site and other General Market e-commerce. In addition, TL may cross-sell the products to its internal list by inserts placed in mailings for other TL products and services (but excluding direct mail campaigns for the Product.) TL may obtain television and/or direct response rights in certain international territories upon Integrity's agreement. b. Integrity Distribution. Integrity will hold exclusive worldwide rights to promote and sell the product to/through the following distribution channels: Christian retail (CBA or Christian Booksellers Association markets), direct mail (including continuity sales, church sales, digital and e-commerce sales.) Integrity will have Internet and e-commerce rights with respect to its own web site and other Christian e-commerce. Integrity shall have the right to license distribution of
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Extract the exact clause related to "Warranty Duration" from the excerpt above.