Label : Warner Bros. Records
Side I
01 - Down To The Nightclub (Bump City) (Stephen 'Doc' Kupka, Emilio Castillo & David Garibaldi)
02 - You're Still A Young Man (Emilio Castillo & Stephen 'Doc' Kupka)
03 - What Is Hip? (Stephen 'Doc' Kupka, Emilio Castillo & David Garibaldi)
04 - Sparkling In The Sand (Stephen 'Doc' Kupka, Emilio Castillo & Lawrence Lopez)
02 - You're Still A Young Man (Emilio Castillo & Stephen 'Doc' Kupka)
03 - What Is Hip? (Stephen 'Doc' Kupka, Emilio Castillo & David Garibaldi)
04 - Sparkling In The Sand (Stephen 'Doc' Kupka, Emilio Castillo & Lawrence Lopez)
Side II
Tower Of Power Horn Section
Lenny Pickett : 1st Tenor Sax (Solo on "Knock Yourself Out"), Alto Sax, Flute
Emilio Castillo : 2nd Tenor Sax, Vocals (Co-Lead on "Down To The Nightclub")
Stephen 'Doc' Kupka : Baritone Sax, Vocals
Mic Gillette : Trumpet, Flugelhorn (Solo on "Sparkling In The Sand"), Trombone, Piccolo Trumpet, Vocals
Greg Adams : Trumpet (Solo on "What Is Hip?"), Flugelhorn, Vocals
Tower Of Power Rhythm Section
Chester Thompson : Organ, Bass Pedals, Clavinet, ARP String Ensemble, Vocals
Bruce Conte : Guitar, Vocals (Co-Lead on "Sparkling In The Sand")
Francis 'Rocco' Prestia : Bass
David Garibaldi : Drums
05 - Knock Yourself Out (Stephen 'Doc' Kupka & Emilio Castillo)
Produced by Emilio Castillo & Tower Of Power
Tower Of Power :
Hubert Tubbs : Lead vocals
Produced by Emilio Castillo & Tower Of Power
Tower Of Power :
Hubert Tubbs : Lead vocals
Tower Of Power Horn Section
Lenny Pickett : 1st Tenor Sax (Solo on "Knock Yourself Out"), Alto Sax, Flute
Emilio Castillo : 2nd Tenor Sax, Vocals (Co-Lead on "Down To The Nightclub")
Stephen 'Doc' Kupka : Baritone Sax, Vocals
Mic Gillette : Trumpet, Flugelhorn (Solo on "Sparkling In The Sand"), Trombone, Piccolo Trumpet, Vocals
Greg Adams : Trumpet (Solo on "What Is Hip?"), Flugelhorn, Vocals
Tower Of Power Rhythm Section
Chester Thompson : Organ, Bass Pedals, Clavinet, ARP String Ensemble, Vocals
Bruce Conte : Guitar, Vocals (Co-Lead on "Sparkling In The Sand")
Francis 'Rocco' Prestia : Bass
David Garibaldi : Drums
Recorded Live at Sacramento Memorial Auditorium & Cerritos College by The Record Plant, Sausalito
Recording & Re-mix Engineers : Tom Flye & Alan Chinowsky
Assistant Engineers : Cris Morris & Tom Anderson
Mastered at Kendun Recorders, Burbank
Recording & Re-mix Engineers : Tom Flye & Alan Chinowsky
Assistant Engineers : Cris Morris & Tom Anderson
Mastered at Kendun Recorders, Burbank