Melodic antecedents: My Woman's Gone Wrong (Leroy Carr - '34) and M&O Blues (Walter Davis - '30).
Elmore James [as So Unkind, released in '68]
Tom Rush [on Live at the Unicorn]
John Mayall's Bluesbreakers [vocal: Eric Clapton]
Lucinda Williams [she also cut Robert Johnson's Stop Breaking Down and Malted Milk Blues]
Rory Block [with Bonnie Raitt on slide]