Listen to What's It Gonna Be (Karaoke Version) [originally Performed By Brian Mcknight] online. What's It Gonna Be (Karaoke Version) [originally Performed By Brian Mcknight] is an English language song and is sung by Charlie & Mark. What's It Gonna Be (Karaoke Version) [originally Performed By Brian Mcknight], from the album Karaoke Mixpack, Vol. 22, was released in the year 2017. The duration of the song is 4:09. Download English songs online from JioSaavn.