Listen to 21 Questions (Karaoke Version) [originally Performed By 50 Cent & Nate Dogg] online. 21 Questions (Karaoke Version) [originally Performed By 50 Cent & Nate Dogg] is an English language song and is sung by Charlie & Mark. 21 Questions (Karaoke Version) [originally Performed By 50 Cent & Nate Dogg], from the album Karaoke Mixpack, Vol. 22, was released in the year 2017. The duration of the song is 3:45. Download English songs online from JioSaavn.