Listen to Astounded (Karaoke Version) (Originally Performed By Tantric) online. Astounded (Karaoke Version) (Originally Performed By Tantric) is an English language song and is sung by Karaoke Diamonds. Astounded (Karaoke Version) (Originally Performed By Tantric), from the album Pop Hits Karaoke, Vol. 8, was released in the year 2017. The duration of the song is 3:49. Download English songs online from JioSaavn.