Randy Jackson is best known as an original judge on American Idol but it was his musical background that got him on the panel with Simon & Paula.

Randy Jackson with Journey in 1986 (YouTube)

According to his official American Idol biography, Jackson worked on more than 1,000 gold and multi-platinum albums, which have sold more than 200 million albums worldwide.

He was a temporary member of Journey in 1983 and again in 1986. He has also worked with Jerry Garcia, Mariah Carey, Bruce Springsteen and Madonna.

The video below is from his time with Journey in 1986 and a performance of Girl Can't Help It.