Lady Gaga, Foo Fighters, Tom Petty, Katy Perry, Queens of the Stone Age and Michael Stipe are among the 102 artists and producers that autographed an acoustic guitar that's being raffled to raise funds for Planned Parenthood.
The organizers of
This article originally appeared on www.rollingstone.com: Lady Gaga, Foo Fighters, 100 More Artists Sign Guitar for Planned Parenthood Raffle