Listen to So Long, Farewell online. So Long, Farewell is an English language song and is sung by Charmian Carr, Heather Menzies, Nicholas Hammond, Duane Chase, Angela Cartwright, Debbie Turner and Kym Karath. So Long, Farewell, from the album The Sound Of Music, was released in the year 2010. The duration of the song is 2:54. Download English songs online from JioSaavn.