Listen to Whatcha Gonna do (Karaoke Version) [Originally Performed By Pablo Cruise] online. Whatcha Gonna do (Karaoke Version) [Originally Performed By Pablo Cruise] is an English language song and is sung by Tommy Melody. Whatcha Gonna do (Karaoke Version) [Originally Performed By Pablo Cruise], from the album Karaoke Jams, Vol. 15, was released in the year 2017. The duration of the song is 3:07. Download English songs online from JioSaavn.