 On September 18 "Back Street Luv" reached number 4 in the UK Singles Chart, its highest position.In 1971 Warners also released it as a single in Netherlands (16092), Germany (16 092/WB 8029), France (16092) and Portugal (N-63-6).In 1975 a considerably more intense live version appeared on Curved Air – Live and was released as a single in the UK by Deram, but unlike the original recording it failed to make any commercial impact.