Billy Bragg, it appears.

According to this story in today’s New York Times, Bragg was displeased at the seeming overbreadth of the MySpace.com “terms of service” about songs a user posted.  In May, he removed his songs; now, some are back.  MySpace changed the terms of service.  From the story:

About a month later, without referencing Mr. Bragg’s concerns, MySpace.com clarified its terms of service, which now explain who retains what rights. A sample line: “The license you grant to MySpace.com is nonexclusive (meaning you are free to license your content to anyone else in addition to MySpace.com).�

As they say, read the whole thing.  And, if you want to read MySpace.com’s current Terms of Use Agreement, it’s just a click away.