With the group's legendary history boasting the release of three gold records, 35 appearances on American Bandstand, induction in the Vocal Group and Doo-Wop Halls of Fame, and inclusion on the soundtracks to American Graffiti and TV's Happy Days, the current members of the Diamonds headline a special holiday show at Maquoketa's Ohnward Fine Arts Center, treating audiences to delightful seasonal fare in the November 26 concert event Silver Bells & Diamonds.