As long as they were bucking the odds by crafting an amazing reunion album 28 years after breaking up, Van Halen apparently figured they might as well take over for the recently retired R.E.M. as rock's environmental advocates too. Don't believe us? Check out their new planet overcrowding anthem, 'Outta Space.'
You don't need a professional ear to realize that the uncredited background vocalist on Carly Simon's 1972 smash 'You're So Vain' belongs to Rolling Stones vocalist Mick Jagger.
When asked how the collaboration came out, Simon said, "He happened to call at the studio