This song covered by Dr. John in 1972 was originally sung by which group?
The Belle Stars (album):  The Belle Stars had some success with their single "Iko Iko", a cover of The Dixie Cups' 1965 hit. Iko Iko:  In 1972, Dr. John had a minor hit with his version of "Iko Iko".
The Dixie Cups