Chapman would later become a member of one of the Coasters' many spin-off groups, The Coasters Mark II, which included Bobby Nunn, Bobby Sheen, and Billy Richards, Jr. In 1977, along with Billy Guy and Jerome Evans, he sang on "Paid The Price" on Michelle Phillips' album Victim Of Romance. Chapman would also substitute for Carl Gardner a few times in the 1990s and 2000s with The Coasters.
Chapman would later join one of The Coasters' numerous offshoots, The Coasters Mark II, which featured Bobby Nunn, Bobby Sheen, and Billy Richards, Jr. In 1977, along with Billy Guy and Jerome Evans, he sang on "Paid The Price" on Michelle Phillips' album Victim Of Romance. Chapman would also fill in for Carl Gardner occasionally in the 1990s and 2000s with The Coasters.