Listen to Beau Koo Jack online. Beau Koo Jack is an English language song and is sung by Omer Simeon and Earl Hines. Beau Koo Jack, from the album The Best Music Collection of The Modern Jazz Quarte, Duke Ellington, Gerry Mulligan and Other Famous Artists, Vol. 9 (160 Songs), was released in the year 2013. The duration of the song is 2:42. Download English songs online from JioSaavn.