Source

1. A1 Late Night With You 4:16
2. A2 Don't Lock The Door 5:53
3. A3 The Source 4:23
4. A4 I Don't Know
5. B1 Mr. Fone Bone 7:06
6. B2 Centering 4:11
7. B3 Spiral 6:52

• Bob MintzerComposed By, Arranged By, Producer, Lead Vocals, Tenor Saxophone, Backing Vocals, Arranged By (Horns), Arranged By (Vocals), Synthesizer (Prophet 5), Bass Clarinet (Electric), Clarinet, Bass Clarinet, Piccolo Flute, Synthesizer (O.B.X.), Drums, Arranged By (Woodwind), Arranged By (Brass), Flute (All), Clarinet (All), Arranged By (Woodwinds)
• Carter CathcartBacking Vocals, Lead Vocals
• Lillias WhiteBacking Vocals
• Will LeeBass
• Brian BrakeDrums
• Hugh McCrackenGuitar
• Don GrolnickPiano, Organ (Hammond)
• Alan RaphTrombone
• Tom MaloneTrombone
• Alan RubinTrumpet
• Lew SoloffTrumpet
• Randy BreckerTrumpet, Trumpet (Solo)
• Mark GraySynthesizer (Prophet 5 solo), Synthesizer (Prophet 5)
• Frankie MalabePercussion
• Jaco PastoriusElectric Bass, Bass (Solo)
• Carla PooleFlute
• Manolo BadrenaPercussion
• Chuggy CarterCongas
• Peter ErskineDrums
• Tom BarneyElectric Bass
• Bill WasherGuitar, Electric Guitar

• Teruo NakamuraExecutive-Producer, Producer

Also credited. Engineer: Jeffrey M. Kawalek. Mastered By: Bob Ludwig. Programmed By (O.B.X. Synthesizer): Corey Davidson.