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B	Knock! Knock! Arranged By, Horns – Reggie Andrews, Bobby Harris*Producer – Reggie Andrews & The Dazz Band*Rhythm Section, Arranged By – Dazz & Reggie Andrews*Written By – E. Fearman*, B. Harris*	3:44
A	Sooner Or Later Arranged By, Horns – Sennie "Skip" Martin III*Producer – The Dazz Band*Rhythm Section, Arranged By – Dazz Rhythm SectionWritten By – K. Kendrick*, Michael Calhoun*, B. Harris*	3:40

Companies, etc.

• Record Company – Motown Record Corporation
• Phonographic Copyright (p) – Motown Record Corporation
• Produced For – Dazz Productions
• Published By – Jazzy Autumn Music Co.
• Published By – Three Go Music

Credits

• Mastered By – JM*
• Producer – The Dazz Band*

Notes

Alternative label layout with the catalog number positioned on the right side.
Side One track - In Album "Let The Music Play" M8-957M1
Side Two track - In album "Invitation To Love" M8-946M1
Published By Jazzy Autumn Music Co. & Three Go Music (ASCAP)
Side One track ℗ 1981 & Trademark Motown Record Corporation
Side Two track ℗ 1980 & Trademark Motown Record Corporation.
A Product of Motown Record Corp.
In the etched matrix number on each side ' 15B ' has been scratched through and followed by ' XO15D '.

Barcode and Other Identifiers

• Matrix / Runout (Label Side One): 66385
• Matrix / Runout (Label Side Two): 66191
• Matrix / Runout (Runout, Side One, Etched): M1515F-A-66385-XO15D
• Matrix / Runout (Runout, Side Two, Etched): M1515F-B-66191-XO15D
• Rights Society: ASCAP

Other versions

Category	Artist	Title (Format)	Label	Category	Country	Year
M 1515F	The Dazz Band*	Knock! Knock! ‎(7", Single)	Motown	M 1515F	US	1980
M 1515F	The Dazz Band*	Sooner Or Later / Knock! Knock! ‎(7", Single)	Motown	M 1515F	US	1980
M 1515F	The Dazz Band*	Knock! Knock! ‎(7", Single, Promo)	Motown	M 1515F	US	1980
M 1515F	The Dazz Band*	Knock! Knock! ‎(7", Single, Promo)	Motown	M 1515F	US	1981