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The following copyright agreements rule TWU's use of worship music. Sorry about the boring legal nature of all this, but it is essential to comply with these agreements.
Most modern songs and many hymns are covered by this copyright agreement. A complete list of publishers can be found at the CCLI site. This agreement allows for:

This license covers hymns found in collections published by GIA Music (e.g. Iona, Taize), as well as the other publishers listed on the OneLicense site. This agreement allows for:
Hymns or hymn arrangements that are not labeled with copyright information (generally those written over 100 years ago) are designated "public domain" and may be copied without penalty. However, a public domain hymn that has a new, copyrighted arrangement, cannot be copied in that form without permission from the publisher (or the copyright distributor).
If you want to copy or use a song that is clearly copyrighted, but is not covered by CCLI or OneLicence, you must obtain permission directly from the songwriter and/or publisher.
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