Listen to Big Sky (Armin van Buuren's Intro Edit) online. Big Sky (Armin van Buuren's Intro Edit) is an Unknown language song and is sung by John O'callaghan. Big Sky (Armin van Buuren's Intro Edit), from the album A State Of Trance 550 (Mixed by Armin van Buuren, Dash Berlin, John O'Callaghan, Arty & Ørjan Nilsen), was released in the year 2012. The duration of the song is 8:37. Download Unknown songs online from JioSaavn.