[This one's really late, but I woke up Monday with a cold and then forgot... I was really looking forward to posting this one, too!]
Duke Ellington § Caravan
If I were stranded in a desert and could only choose one song to have with me, it just might come down to this one.
A very innovative sound in 1936, I believe trombonist Juan Tizol, the composer, was the first horn player to use a toilet plunger as a mute.