Ace Show Biz reports: The Pearl Jam star recorded Gordon Peterson's tune "Hard Sun" in 2007 for Sean Penn's film "Into the Wild", but Peterson, who originally wrote the track in 1987, wasn't happy when he heard the finished version - and realized the rock icon had altered the lyrics.

Peterson is now suing Vedder and has filed papers in New York's Manhattan federal court. The suit states, "Vedder altered certain key lyrics of 'Hard Sun'... eroding the integrity of the composition." - more on this story