Listen to Back At One (Karaoke Version) (Originally Performed Mark Wills) online. Back At One (Karaoke Version) (Originally Performed Mark Wills) is an English language song and is sung by Karaoke Diamonds. Back At One (Karaoke Version) (Originally Performed Mark Wills), from the album Karaoke Party Pack, Vol. 22, was released in the year 2017. The duration of the song is 4:13. Download English songs online from JioSaavn.