arranged by Harold Faltermeyer
backing vocals [background vocalist] Julia Tillman Waters
backing vocals [background vocalist] Maxine Willard Waters
backing vocals [background vocalist] Stephanie Spruill
concept by [album cover] Donna Summer
contractor [musical] Trevor Veitch
design David Fleming
design Gribbitt!
design Stephen Lumel
directed by [studio technical director] Roman Olearczuk
engineer [assistant] Carolyn Tapp
engineer [mixing] Jürgen Koppers
engineer [recording] Jürgen Koppers
engineer [recording] Steven D. Smith
mastered by [mastering by] Brian Gardner
musician, bass Bob Glaub
musician, bass Harold Faltermeyer
musician, bass Scott Edwards
musician, drums, percussion Keith Forsey
musician, guitar Jay Graydon
musician, guitar Jeff Baxter
musician, guitar Paul Jackson Jr.
musician, guitar [pull], pedal steel guitar Al Perkins
musician, piano Jai Winding
musician, piano, electric piano [rhodes], keyboards [d6], synthesizer [all] Harold Faltermeyer
musician, strings The Sid Sharp Strings
musician, strings, concertmaster Sidney Sharp
musician, trombone Bill Reichenbach
musician, trombone Dick "Slyde" Hyde
musician, trumpet Gary Grant
musician, trumpet Jerry Hey
musician, trumpet Steve Madaio
photography by Harry Langdon
producer [produced by] Giorgio Moroder
producer [produced by] Pete Bellotte
saxophone, soloist Gary Herbig
technician [stucio technical director] Roman Olearczuk
Recorded At Rusk Sound Studios
Recorded At Music Grinder Studios
Mastered At Allen Zentz Mastering
Mixed At Rusk Sound Studios
Phonographic Copyright (p) Casablanca Record And Filmworks, Inc.
Copyright (c) Casablanca Record And Filmworks, Inc.
Published By Starrin Music Publ. Corp.
Published By Sweet Summer Night Music
Published By Fedora Music
Published By Rick's Music, Inc.
Published By Purple Cow Music
Published By Copyright Control
Pressed By Phonodisc B.V.
Lacquer Cut At Phonodisc B.V.
Cat# 6641 931 appears on spine and back-sleeve
Cat# 9198 217 appears on label A & B, inner-sleeve A
Cat# 9198 218 appears on label C & D, inner-sleeve B

on spine:
■ Philips ■ Donna Summer ■ Bad Girls ■ 6641 931

sleeve:
(also playable on mono)
© 1979 Starrin Music Publishing Corp. / Sweet Summer Night Music (BMI)
℗ © Casablanca Record and FilmWorks, Inc.
Printed in The Netherlands

inner-sleeves:
Recorded and Mixed at Rusk Sound Studios, Los Angeles
Mastered at Alan Zentz Studios, Los Angeles
My Baby Understands Recorded at Music Grinder Studios, Los Angeles
This album was mixed with the APHEX Aural Exciter.
Printed in The Netherlands

Bruce Roberts appears through the courtesy of Elektra Records
Jeff Baxter appears through the courtesy of Warner Bros. Records

Gatefold sleeve includes printed inner-sleeves with lyrics and credits.

The runouts are stamped.
Rights Society: STEMRA (Boxed)
Other: 9198 217 (Cat# record 1)
Other: 9198 218 (Cat# record 2)
Matrix / Runout: 9198 217. 1 (Label side A)
Matrix / Runout: 9198 217. 2 (Label side B)
Matrix / Runout: 9198 218. 1 (Label side C)
Matrix / Runout: 9198 218. 2 (Label side D)
Matrix / Runout: 9198 217 1Y 1 ℗ 1979 670 (Runout side A, variant 1)
Matrix / Runout: 9198 217 2Y 1 ℗ 1979 670 (Runout side B, variant 1)
Matrix / Runout: 9198 218 1Y 2 ℗ 1979 670 (Runout side C, variant 1)
Matrix / Runout: 9198 218 2Y 1 ℗ 1979 670 (Runout side D, variant 1)
Matrix / Runout: AA 9198 217 1Y 1 ℗ 1979 670 11 03 (Runout side A, variant 2)
Matrix / Runout: AA 9198 217 2Y 1 ℗ 1979 670 111 03 (Runout side B, variant 2)
Matrix / Runout: AA 9198 218 1Y 2 ℗ 1979 670 121 06 (Runout side C, variant 2)
Matrix / Runout: AA 9198 218 2Y 1 ℗ 1979 670 111 03 (Runout side D, variant 2)
Matrix / Runout: AA 9198 217 1Y 1 ℗ 1979 670 1 4 03 (Runout side A, variant 3)
Matrix / Runout: AA 9198 217 2Y 1 ℗ 1979 670 12 3 03 (Runout side B, variant 3)
Matrix / Runout: AA 9198 218 1Y 3 ℗ 1979 670 11 6 06 (Runout side C, variant 3)
Matrix / Runout: AA 9198 218 2Y 1 ℗ 1979 670 11 19 03 (Runout side D, variant 3)
Matrix / Runout: AA 9198 217 1Y 1 ℗ 1979 670 111 03 (Runout side A, variant 4)
Matrix / Runout: AA 9198 217 2Y 1 ℗ 1979 670 113 03 (Runout side B, variant 4)
Matrix / Runout: AA 9198 218 1Y 2 ℗ 1979 670 112 06 (Runout side C, variant 4)
Matrix / Runout: AA 9198 218 2Y 1 ℗ 1979 670 11 03 (Runout side D, variant 4)