Side one Title Writer(s) 1. "Don't Change" Daryl Hall , John Oates , Sara Allen 3:37 2. "Why Do Lovers Break Each Other's Heart?" Hall, Allen 3:16 3. "You Must Be Good for Something" Hall, Oates 3:32 4. "The Emptyness" Oates 3:35 5. "Love Hurts (Love Heals)" Oates 3:11
Side two Title Writer(s) 6. "Bigger Than Both of Us" Hall, Oates 4:31 7. "Bad Habits and Infections" Hall 6:03 8. "Winged Bull" Hall 4:39 9. "The Girl Who Used to Be" Oates 4:10
Daryl Hall – lead vocals (1–3, 6–8), backing vocals, keyboards, Polymoog synthesizer , guitars, mandolins
John Oates – lead vocals (4, 5, 9), backing vocals, rhythm guitars, mando-guitar , electric piano and dulcimer (4)
Christopher Bond – backing vocals (2–4, 8, 9); keyboards, synthesizers, tonalities, lead 6-string and 12-string guitars (8, 9); arrangements, string arrangements and conductor
Leland Sklar – bass (1–4, 6–9)Jim Hughart – second bass (4)Scott Edwards – bass (5)
Jeff Porcaro – drums, electronic drums Gary Coleman – percussion, sound effects
Tom Scott – tenor saxophone (5, 9)Tommy Mottola – backing vocals (3)
Produced by Christopher Bond
Recorded and Mixed by John Mills
Assistant Engineer – Linda Tyler
Strings engineered by Armin Steiner
Recorded and Mixed at Sound Labs (Hollywood, CA).
Remixed at The Hit Factory (New York, NY).
Mastered by Greg Calbi at Sterling Sound (New York, NY).
Art Direction and Design – Dick Smith
Photography – John Beau
Production Assistant – Candy Van Duser
Management and Direction – Tommy Mottola 
