Listen to Can't Believe (Karaoke Version) [Originally Performed By Bei Maejor] online. Can't Believe (Karaoke Version) [Originally Performed By Bei Maejor] is an English language song and is sung by Mark and Charlie. Can't Believe (Karaoke Version) [Originally Performed By Bei Maejor], from the album Karaoke Collection, Vol. 32, was released in the year 2017. The duration of the song is 3:16. Download English songs online from JioSaavn.