Listen to Silence online. Silence is an Unknown language song and is sung by Johan de Kock and Stefan Viljoen. Silence, from the album A State of Trance 650 (Armin van Buuren - Warm Up Sets) (Moscow, Yekaterinburg, Utrecht, Buenos Aires & Jakarta), was released in the year 2014. The duration of the song is 4:36. Download Unknown songs online from JioSaavn.