Mp3 blogs are a gold mine for free music, but few are as generous as rbally.net
. Its founder, who signs himself simply "Jennings," has a passion for live indie-rock performances. His posts have included full concerts from Sonic Youth, P.J. Harvey, Wilco, Ryan Adams and the Yeah Yeah Yeah's recent appearance at the Coachella Festival. While you're there, check out Giant Drag's demo covers of the Beach Boys' "God Only Knows" and Journey's "Who's Crying Now." The site is usually updated with new MP3s daily, and its archive will keep you busy for weeks.