I Don't Know (Willie Mabon song)
"I Don't Know" is a 1952 recording by Willie Mabon and His Combo on Parrot Records and Chess Records. Although the songwriting is credited to Mabon, the lyrics were derived from a Cripple Clarence Lofton tune.
The song was Mabon's first chart hit, and it reached number one on the US Billboard R&B chart in December 1952.