bass Rick Savage
drums Rick Allen
guitar Pete Willis
guitar Steve Clark
lacquer cut by Jack Adams
producer Def Leppard
producer Nick Tauber
vocals Joe Elliott
Phonographic Copyright (p) Phonogram Ltd.
Marketed By Phonogram
Published By Def Lepp Music
Published By Marksman Music
Lacquer Cut At Phonodisc Ltd.
Pressed By Phonodisc Ltd.
Def-Lepp Music/Marksmen Music
Original sound recording made by Phonogram Ltd.
(P) 1979 Phonogram Ltd.

These versions produced by Nick Tauber pre-date the first Def Leppard LP and only appeared on this single.
LP versions are different versions and were produced by Tom Allom.
Matrix / Runout: 6059247 1F//1▽E420 1 1 13 JA (Runout side A)
Matrix / Runout: 6059247 2F//1▽E420 1 1 11 JA (Runout side B)
Matrix / Runout: 6059247 1F//1▽E420 1 1 5 JA (Runout side A, variant 2 [6 has been erased and 7 hand etched])
Matrix / Runout: 6059247 2F//1▽E420 1 1 4 JA (Runout side B, variant 2 [6 has been erased and 7 hand etched])