12": ZTT / 12 ZTAS 1 (United Kingdom) "Relax" (Sex Mix) – 16:24 "Ferry 'Cross the Mersey" – 4:03 "Relax" (Bonus, Again) – 4:31 Later reissued in 1984 in a generic sleeve, with the text "Original Mix" on the label. Mastered at 33⅓ RPM, despite claiming to run at 45 RPM on the label. The 1984 reissue runs at 45 RPM.
12": ZTT / 12 ZTAS 1 (United Kingdom) "Relax" (Sex Mix) – 1624 "Ferry 'Cross the Mersey" – 4:03 "Relax" (Bonus, Again) – 4:31 Later reissued in 1984 in a generic sleeve, with the text "Original Mix" on the label. Mastered at 33⅓ RPM, despite claiming to run at 45 RPM on the label. The 1984 reissue runs at 45 RPM.