 He played (along with the other members of U2) on Robbie Robertson's self-titled album from 1987, and has also performed with Maria McKee.Clayton played on the song "The Marguerita Suite" on Sharon Shannon's self-titled debut album which was released in October 1991.He joined U2 producer Daniel Lanois and bandmate Larry Mullen Jr. on Lanois's 1989 album "Acadie", playing the bass on the songs "Still Water" and "Jolie Louise".