Listen to Happy Children (Karaoke Version Originally Performed by Paul Lion) online. Happy Children (Karaoke Version Originally Performed by Paul Lion) is an English language song and is sung by Doc Karaoke Ensemble. Happy Children (Karaoke Version Originally Performed by Paul Lion), from the album Karaoke International Vol. 11, was released in the year 2012. The duration of the song is 3:56. Download English songs online from JioSaavn.