Tracks 6, 7, 9, 10 were recorded October 30, 1963 at MBS Recording Studio, Chicago and tracks 1 to 5, 8 were recorded February 11, 1964 at IRC Studio, Chicago under the supervision of Willie Dixon. Mono recordings.
Tracks 11 and 12 were recorded October 3, 1969 at Royal Albert Hall, London (AFBF '69) in stereo.