tracks a2, b4 alto saxophone Chris Hunter tracks a1, b4 alto saxophone David Sanborn tracks a3 backing vocals Al Jarreau tracks a2 backing vocals Charley Drayton tracks a1, a3, b4 backing vocals Hiram Bullock tracks a2 backing vocals Ricky Peterson tracks a2, b4 backing vocals Will Lee tracks a2 to a4, b2 to b4 bass Will Lee tracks b4 bass trombone David Taylor tracks a1 to a4, b2 to b4 drums Charley Drayton tracks b1 drums Ricky Peterson tracks a1 to a4, b2 to b4 engineer Doug Epstein tracks a3 engineer Lee DeCarlo tracks a1 to b1, b4 engineer Tom Tucker tracks b3 finger snaps Charlie Conrad tracks b3 finger snaps Hiram Bullock tracks b3 finger snaps Sandy Humphry tracks b4 flugelhorn Lew Soloff guitar Hiram Bullock tracks a3 lead vocals Al Jarreau tracks a2, b4 lead vocals Hiram Bullock tracks a2 to a4, b4 percussion Don Alias tracks b3 piano [acoustic] Ricky Peterson producer Hiram Bullock tracks a4, b4 programmed by [synclavier] Haze Greenfield tracks a2 to b2, b4 synthesizer Hiram Bullock tracks a1, a2, a4 to b4 synthesizer Ricky Peterson tracks b4 synthesizer [synclavier] Hiram Bullock tracks a1, b2 tenor saxophone Michael Brecker tracks a2, b4 trombone Dave Bargeron tracks a2, b4 trumpet Lew Soloff tracks a1 trumpet Randy Brecker tracks b1 vocals Hiram Bullock tracks b1 vocals Ricky Peterson Manufactured By Record Service GmbH Phonographic Copyright (p) Atlantic Recording Corporation Phonographic Copyright (p) WEA International Inc. Copyright (c) Atlantic Recording Corporation Copyright (c) WEA International Inc. Printed By Record Service GmbH Pressed By Record Service Alsdorf Lacquer Cut At Sterling Sound Published By Burg Music Published By Youngest Son Music Published By Burlington Music Co. Ltd. Published By MCA Music Ltd. Title A4 variations: - On cover rear: Half-Life - On label: Half Life Label Code: LC 0121 Rights Society: GEMA/BIEM (Boxed) Price Code: WE 381 (France) Matrix / Runout: R/S Alsdorf 781790-1-A (Runout side A, stamped) Matrix / Runout: STA-876516-A 1-3 R/S Alsdorf 781790-1-B DK(Scratched) F ☆ STERLING SCR (Runout side B, R/S Alsdorf 781790-1-B, STERLING SCR stamped, rest etched)