Listen to Outro - A Matter Of What You Believe In (A State Of Trance Year Mix 2013) online. Outro - A Matter Of What You Believe In (A State Of Trance Year Mix 2013) is an Unknown language song and is sung by Armin Van Buuren. Outro - A Matter Of What You Believe In (A State Of Trance Year Mix 2013), from the album A State Of Trance Year Mix 2013, was released in the year 2014. The duration of the song is 0:47. Download Unknown songs online from JioSaavn.