ZZ Top

It's been eight long years since we've heard anything new from ZZ Top, but fans can look forward to a new album soon -- and guitarist Billy Gibbons says it's "a return to the early ZZ Top roots." The upcoming, as-yet untitled set, which will be the band's 15th studio album in 42 years, is currently being recorded with executive producer Rick Rubin, who's also serving as a band advisor in

He's been one of the most sought-after producers in rock for 25 years -- and now that he's also co-chairman of Columbia Records, Rick Rubin is also one of the busiest, with his hands in a dizzying list of current and upcoming projects. Rubin discussed a number of those albums during a recent Billboard interview, conducted to celebrate the huge success of Columbia artist Adele's new album, '21' (wh