Humphrey Bogart is one of Hollywood's most famous actors, responsible for a slew of classic films, so why did he almost go to his grave in shame?

In 1960, the Allman brothers first picked up the guitar. A decade later, Duane was in the studio with one of his heroes: Eric Clapton.

Jerry Garcia was one hell of a songwriter, but even he felt like his efforts paled in comparison to this artist, whom he was worried about failing.

As another Crosby, Stills & Nash reunion crumbled away in the 1980s, a cocaine-fuelled Crosby found himself in trouble with the law and desperate for an out.

Although Steven Tyler was into every piece of the musical puzzle, he felt that some relationships were more important than others.

Stephen King has been critical of movies based on his bibliography before, but in this case, he urged audiences to give it a wide berth.

Due to their recent chart smash at Live Aid, one experimental song exploring the tragic effects of heroin forced U2 to cut their set early.

Slash tried to be in it for the long haul with Guns N' Roses, but he knew that his days were over with the band on this song. Read more here.

Even though Rick Rubin is a phenomenal producer, he did feel like some tunes were worth playing around with now and again.

Don Henley and Glenn Frey had a high standard when putting together the Eagles, but this one writer ultimately turned down the opportunity to join them.

I love singing,” David Gilmour once proclaimed. However, the Pink Floyd guitarist refused to do vocals for one classic to the chagrin of Roger Waters.

Susan Sarandon has stuck to her guns in not being in films she disagrees with morally, but it cost her the chance to be in a 1984 hit.