Listen to I Want You Back (Originally Performed by Cleopatra) [Instrumental] online. I Want You Back (Originally Performed by Cleopatra) [Instrumental] is an English language song and is sung by Retro Spectres. I Want You Back (Originally Performed by Cleopatra) [Instrumental], from the album Girl Bands Galore - The Backing Track Series, was released in the year 2015. The duration of the song is 4:00. Download English songs online from JioSaavn.