Listen to Undecided online. Undecided is an English language song and is sung by George Shearing Quintet and Toots Thielemans. Undecided, from the album 100 + Essential Piano Songs and Classics Must Have (Jazz, Classical Music and Movie Themes), was released in the year 2014. The duration of the song is 2:40. Download English songs online from JioSaavn.