"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. Pat Benatar covered the song for her 1991 album True Love.
http://en.wikipedia.org/wiki/So_Long
http://en.wikipedia.org/wiki/True_Love_(album)
http://en.wikipedia.org/wiki/Pat_Benatar
http://en.wikipedia.org/wiki/So_Long
http://en.wikipedia.org/wiki/True_Love_(album)
http://en.wikipedia.org/wiki/Pat_Benatar