Hartseer by Bart Claessen Overview Tag Appears on A State of Trance Episode 489 (2010-12-30) (Yearmix 2010) A State Of Trance Yearmix 2010 (Mixed By Armin van Buuren) CD1 Best Of Corsten's Countdown 2010 Flashover Recordings Ade 2010 Selection Group Therapy 050 (2013-10-18) (Guests Armin van Buuren, Myon & Shane 54, Mat Zo, Andrew Bayer) Group Therapy 100 (2014-10-18) (Live @ Madison Square Garden, New York) (Part 4 - Mat Zo) Hartseer Once Upon A Night Season Colors: Spring 2010/3 V.A. Once Upon A Night Playcount 75 Listeners 19