Música Lliure II contains some great jazz played by (mainly) Catalan artists is online for download. It is licensed under the Creative Commons BY-NC-ND license. Here is the blurb from the CC log:
Música Lliure II is a terrific new CD of Creative Commons-licensed jazz music by Catalan artists like Elisabet Raspall, Karion, Ismael Duenas, Joan Diaz, and La Orquesta de la Muerte (with a bonus contribution from Brazilâ??s Gilberto Gil). Produced by FOBSIC and Enderrock, the disc is available for free with the current issue of blues and jazz magazine Jaç. As with its predecessor, Música Lliure, the songs on Música Lliure II are available for free download at culturalliure.cat. Check it out!