"So Long" is a song written by Remus Harris, Russ Morgan and Irving Melsher in 1940 and later recorded by Russ Morgan and his orchestra.
The song was first a hit for the Charioteers, whose single reached number 23 on the U.S. pop chart in 1940.
[1] The best-known version was recorded by Ruth Brown, whose rendition reached number 6 on the U.S.
[2] The Four Aces' cover, backed by the Jack Pleis Orchestra,[3] peaked at number 26 on the U.S.
Additional recordings include versions by Johnny Moore's Three Blazers, Charles Brown, the Ramsey Lewis Trio, the Orioles, the Three Chuckles, Big Maybelle, Floyd Dixon, the Castaways, JAY-EL, and Georges Jouvin.