Playing of a recorded song is infringement of the copyright in that sound recording, even if you are playing it for free. The Copyright Act, 17 USC Sec. 106 sets out the rights of the owner of a copyright. See http://www.copyright.gov/title17/92chap1.pdf#Section106. Doing anything listed in this section without the permission of the copyright owner is infringement.
Answered on May 20th, 2012 at 4:50 PM