Listen to Select Function online. Select Function is an English language song and is sung by Random Robot and Various Artists. Select Function, from the album 101 Psytrance Hits (Best of Electronic Dance Music, Goa, Progressive, Techno, Psychedelic, Acid House, Hard Dance, Trance Anthem), was released in the year 2011. The duration of the song is 99:01:01. Download English songs online from JioSaavn.