original songs until Chicago XXX in 2006. Reception Twenty 1 spent eleven weeks on the American Billboard 200, peaking at position No. 66, and did not chart in the UK. Track listing Unreleased: "Love Is Forever" was recorded during the Twenty 1 sessions and later released as a bonus track on Chicago XXXII: Stone of Sisyphus. "Secrets of the Heart" remained unreleased, circulating unofficially online. This song was replaced by "Explain It to My Heart" on the final track list. "Holdin' On" has been found online in demo form. This was recorded in 1988 with Bill Champlin's wife, Tamara, on lead vocals and Dawayne Bailey on guitars. "Holdin' On" was originally intended for Chicago 19. Personnel Chicago Dawayne Bailey – guitars, backing vocals Bill Champlin – keyboards, lead and backing vocals, brass arrangements (11) Tris Imboden – drums, percussion Robert Lamm – keyboards, lead and backing vocals, brass arrangements (6) Lee Loughnane – trumpet, flugelhorn, backing vocals, brass arrangements (1-9, 11, 12) James Pankow – trombone, backing vocals, brass arrangements (1-9, 12) Walter Parazaider – woodwinds, backing vocals Jason Scheff – bass, lead and backing vocals Additional personnel Robbie Buchanan – keyboards Tom Keane – keyboards Efrain Toro – keyboards Steve Porcaro – keyboard programming David Foster – acoustic piano Michael Landau – guitars John Keane – drums Stephen "Doc" Kupka – baritone saxophone Jerry Hey – brass arrangements (10) Dennis Matkosky – co-brass arrangements (11) Production Humberto Gatica – producer and engineer track No. 1, mixing Ron Nevison – producer and engineer tracks Nos. 2–12 Jim Mitchell – assistant engineer Jeff Poe – assistant engineer Alex Rodriguez – additional engineer Recorded at Record Plant (Hollywood, CA); Can-Am Recorders (Tarzana, CA); Ground Control Studios (Santa Monica, CA). Deandra Miller – production assistant Chris Cuffaro – photography Kosh Brooks Design – art direction, design Charts References Chicago (band) albums 1991 albums Albums produced by Humberto Gatica Albums produced by Ron Nevison Full Moon Records albums Reprise Records albums