If you plan on attending this year’s festival, SPIN magazine has a whole buncha emerging artists to check out. Even if you don’t go, you should probably illegally download their albums asap so you can impress your friends with your insider knowledge. Read more after the jump!

In the July ’09 issue, Spin magazine writer, Brian Raftery has put together an excellent oral history of Prince’s iconic 1984 movie and Top 40s soundtrack, Purple Rain, in honor of its 25th anniversary. To top off their Prince-centric edition, Spin produced an excellent Prince tribute album, Purplish Rain, featuring an eclectic variety of musicians, from Of Montreal to the Riverboat Gamblers, which they’re giving away for free.