5:12 1994 / Double Vision - Knockin Extended Version 5:33 Double Vision - Knockin' 2012 (Official Release) TETA 5:26 Double Vision - Knockin' 6:49 Double Vision - Knockin (Extended Club Mix) 5:39 Double Vision - Knocking (extended) 4:53 Double Vision - Knockin (Extended Remix) 3:28 Double Vision - Knockin' 5:28 DOUBLE VISION - Knockin (EXTENDED MIX) (1994) 5:24 Double Vision - Knockin (Original Mix) [HQ] 5:37 ♪♪ KNOCKIN ( Remix 2000) . DOUBLE VISION ( Dance - Surprise mix ) ♪♪ 4:11 Double Vision - Knockin (Extended carofcars Remix) 4:46 Double Vision - Knockin (Extended Version) 5:21 Double Vision Knockin Extended 3:23 Double Vision - Knockin 4:54 Double Vision - Knocking (Extended Mix) 5:26 Double Vision - Knockin' 5:27 Double Vision - Knockin (First Mix) 5:18 Double Vision ‎– Knockin (Original Version) 1995