*''White Lies/Cry Like A Baby'', [[Slam Bamboo]] (keyboards); also provided keyboards on tour
*''Communiqué,'' [[Lucky Pierre]] (Saxophone and vocals, "Communiqué"; vocals, "I Need To Get To Know (Other People)")
*''Exhibit C: Ohio's Undercurrent'' Cool Down Daddy (keyboards, "Sometimes She Smiles")
*''Who's Lookin Back?'' Vincent Capretta (Engineer)
===1989===
*''Attitude'', Troop (Recording engineer, "That's My Attitude", "For You")