Listen to Crazy (Karaoke Version - Originally Performed by K-Ci & Jo Jo) online. Crazy (Karaoke Version - Originally Performed by K-Ci & Jo Jo) is an English language song and is sung by Karaoke Masters. Crazy (Karaoke Version - Originally Performed by K-Ci & Jo Jo), from the album Karaoke Masters R&B Songs, Vol. 5, was released in the year 2014. The duration of the song is 3:45. Download English songs online from JioSaavn.