Monday, December 14: Rock n Roll Birthdays

Happy Birthday today (Dec. 14) to AC/DC bassist Cliff Williams. He's 66 and singer C.J. Snare of Firehouse (66).

Cliff Williams has been the bassist for AC/DC since 1977. His first album with the band was 1978's Powerage. Williams was inducted into the Rock and Roll Hall of Fame with AC/DC in 2003.

AC/DC are one of the best selling artists of all time with over 200 million albums sold worldwide. The album Back in Black has sold around 50 million albums worldwide (22 million in the U.S. alone). It's the sixth best-selling album of all time. AC/DC ranked number 72 on Rolling Stone magazine's list of the "100 Greatest Artistist of All Time".

The band's latest album. Rock or Bust" was released in 2014. The album debuted at number 3 on the Billboard 200 chart in the U.S. with 172,000 copies sold in it's first week out. It was certified Gold by the RIAA in the U.S. for sales of 500,000 copies in January 2015.