Listen to Back At One (Karaoke Version - Originally Performed by Brian McKnight) online. Back At One (Karaoke Version - Originally Performed by Brian McKnight) is an English language song and is sung by Karaoke Masters. Back At One (Karaoke Version - Originally Performed by Brian McKnight), from the album Karaoke Masters R&B Songs, Vol. 2, was released in the year 2014. The duration of the song is 3:26. Download English songs online from JioSaavn.