4:06 Mark Otten - So Serene (Original Mix) (ARMD1021) 10:00 Mark Otten - So Serene (Original Mix) 6:11 Ozirus - So Serene (Original Mix)-2018-UNRELEASED 9:59 Mark Otten – So Serene (original mix) 10:04 Mark Otten - So Serene (Hawk Remix) 10:04 Mark Otten - So Serene (Hawk Remix) 8:21 Mark Otten - So Serene Menno de Jong Fierce Dub 5:47 Mark Otten - So Serene (Vocador Rmx) 10:46 Mark Otten - Tranquility (Markus Schulz Coldharbour Mix) 9:06 Hans Zimmer - Now We Are Free (Magdelayna Remake) 3:08 SAFARİ - Serena (Lyrics/Vietsub) 9:09 Varian - Endless Desire (Mark Otten's Energetic Remix) 9:16 Signalrunners & Mike Foyle - Love Theme Dusk (Mike's Broken Record Mix) HQ 4:33 Maurice Deebank - So Serene 9:31 Mark Otten ‎- Mushroom Therapy (Armin van Buuren Remix) [2003] 8:21 Mark Otten - So Serene (Menno De Jong's Heading South Dub) 8:21 Mark Otten – So Serene (Menno de Jong Heading South Dub Mix) (Progressive Trance) 8:15 Mark Otten ‎- So Serene (Menno De Jong's Heading South Dub) [2005] 9:04 Mark Otten - So Serene (Magdelayna Sunset Mix) [2007] 6:41 Serene (Original Mix) 9:05 Mark Otten - So Serene (Magdelayna Sunset Mix) 8:23 Mark Otten - So Serene