Have singers Lajon Witherspoon and Marc Bolan both been members of a band?
Lajon Witherspoon: Lajon "LJ" Jermaine Witherspoon (born October 3, 1972) is an American musician best known as the vocalist for the Atlanta-based alternative metal band Sevendust. Marc Bolan:  He was best known as the lead singer of the glam rock band T. Rex.
yes