I've sung background for a couple of bands.

Jackson was the bass guitarist on the 1991 self-titled Divinyls album (which features the song "I Touch Myself") as well as featured bassist on several tracks of Tracy Chapman's 1992 release Matters of the Heart. [citation needed]
Jackson is the manager for the Charlotte-based band Paper Tongues. Richards assembled an all-star band which included Aretha Franklin on piano and lead vocals and Jackson on bass guitar.

He is best known as a judge on American Idol and executive producer for MTV's America's Best Dance Crew. Jackson has won a Grammy Award as a producer. Randall Darius "Randy" Jackson (born June 23 1956) is an American bassist singer record producer entrepreneur and television personality.