Listen to Demons (Karaoke Version) online. Demons (Karaoke Version) is an English language song and is sung by Phat Tunes. Demons (Karaoke Version), from the album Demons (Karaoke Version) (Originally Performed By Imagine Dragons), was released in the year 2012. The duration of the song is 2:54. Download English songs online from JioSaavn.