(Reissue Stereo) 'Reissue of (r3067958) (Blues On Blues BOB 10004) from 1972, with different track order.
Recording, Sound Studio, Chicago, Illinois
Title on labels and spine: Willy Mabon Sings 'I Don't Know' & Other Chicago Blues Hits
℗ 1975 Antilles
Liner notes dated Jan. 1976'[discogs]