Covers:

1966:

Joe Tex [answer song as Papa Was Too]

1967:

Otis & Carla [Redding & Thomas in dialogue]

1968:

Albert King [Tramp beat in Cold Feet]

1968:

Johnny Otis Show [idem in Country Girl; feat. Shuggy Otis]

1968:

Slim Harpo [under Te-Ni-Nee-Ni-Nu]

1968:

Mohawks [as The Champ, British instrumental; borrowed its groove from Otis & Carla's version, but see also: Here Comes That Sound Again]

1968:

Junior Kimbell [alias Junior Kimbrough, his first single; in '96 again under his own name]

1968:

Julie Driscoll, Brian Auger & The Trinity

1987:

Salt-N-Pepa

1991:

De La Soul [in Let Let Me In]

1991:

Cypress Hill [in first hit How I Could Just Kill A Man]

1991:

EPMD [sample Joe Tex version in Rampage]

1991:

Stetsasonic [sample in No B.S. Allowed]

1991:

Wolfgang Press [as Birmingham]

1992:

Prince [foundation of Seven; hit US with proper credits]

1996:

Memo Gonzalez

1997:

Bobby Radcliff

2001:

Buddy Guy

2010:

Steve Miller Band

2016:

Melissa Etheridge [as I'm A Lover]