Listen to Demons (Originally Performed by Imagine Dragons) [Karaoke Version] online. Demons (Originally Performed by Imagine Dragons) [Karaoke Version] is an English language song and is sung by Instrumental Beat Makers. Demons (Originally Performed by Imagine Dragons) [Karaoke Version], from the album Summer Pop Rock & Dance Karaoke Hits Today!, was released in the year 2014. The duration of the song is 2:57. Download English songs online from JioSaavn.