bass Derek Bramble design David Coleman drums Ernest Berger engineer [mixing, assistant] Judy Clapp engineer [recording, assistant] Al Stegmeyer engineer [recording, assistant] Mark Chamberlain engineer [recording, assistant] Neil Black engineer [recording, assistant] Patrice Carroll engineer [recording, assistant] Richard Goldblatt engineer [recording, assistant] Tim Hunt engineer [recording, assistant] Tim Palmer engineer [recording, mixing] Peter Walsh executive-producer Dick Leahy guest Ashley Ingram guest Bernard Fowler guest Carl Carwell guest Leee John guest Louis Price guest Noel McCalla guest Ralph Atkins guitar William Jones keyboards, synthesizer Calvin Duke keyboards, synthesizer Keith Harrison mastered by Greg Calbi percussion Paulinho Da Costa photography by Terry Lott producer Barry Blue producer Johnnie Wilder Jr. technician [assistant] Warren Weinberg vocals Calvin Duke vocals Johnnie Wilder Jr. vocals Keith Harrison vocals Keith Wilder vocals William Jones Recorded At Utopia Studios Recorded At Marcus Recording Studios Recorded At CBS Studios, London Recorded At Criteria Recording Studios Mixed At Larrabee Sound Studios Mastered At Sterling Sound Mastered At Columbia Recording Studios Phonographic Copyright (p) CBS Inc. Copyright (c) CBS Inc. Manufactured By Epic Records Pressed By Columbia Records Pressing Plant, Carrollton, GA Manufactured By CBS Inc. Published By Rodsongs Published By Rondor Music (London) Ltd. Published By Almo Music Corp. Published By Shanna Music Ltd. Published By Bixpy Music Ltd. Published By Carbert Music, Inc. Published By DJA Publishing Ltd. Published By SaMusic Ltd. Leee John and Ashley Ingram appear courtesy of Redbus Records Greg Phillinganes appears courtesy of Planet Records Herbie Hancock appears courtesy of Columbia Records Paulinho da Costa appears courtesy of Pablo Records Inc.