Clive Davis is a true music industry titan. The Grammy Award-winning producer and executive was president of Columbia Records, founder/president of both Arista and J Records, chairman and CEO of RCA and BMG, and is currently chief creative officer of Sony Music. He's signed and shaped the careers of Whitney Houston, Billy Joel, Aerosmith and Aretha Franklin. Davis turns 81 years young today and he's still a top dog in the industry, recently releasing his autobiography "The Soundtrack of My Life." Here's a mix of songs by artists signed and/or produced by Davis. To many more!