Muddy Waters, vocals & guitarOn all tracks, plus:
A1: Little Walter (harmonica), Jimmy Rogers (guitar), Willie Dixon (bass), Otis Spann (piano), Elgin Evans orFred Below (drums). Recorded in Chicago, April 13, 1954.
A2, A4 & A8*: Little Walter (harmonica), Ernest “Big” Crawford (bass). Recorded in Chicago, January 23, 1951.
A3 & A7*: Little Walter (harmonica), Ernest “Big” Crawford (bass). Recorded in Chicago, October 23, 1950.
A5: Ernest “Big” Crawford (bass), probably Elgin Evans (drums). Recorded in Chicago, February 1950.
A6: Little Walter (harmonica), Jimmy Rogers (guitar), Willie Dixon (bass), Otis Spann (piano), Elgin Evans orFred Below (drums). Recorded in Chicago, September 1954.
B1 & B7*: Little Walter (harmonica), Jimmy Rogers (guitar), Willie Dixon (bass), Otis Spann (piano), Elgin Evansor Fred Below (drums). Recorded in Chicago, January 7, 1954.
B2: Little Walter (harmonica), Len Chess (bass). Recorded in Chicago, July-December 1951.
B3: Little Walter (harmonica), Jimmy Rogers (guitar), Otis Spann (piano), Elgin Evans (drums). Recorded in Chicago,September 24, 1953.
B4: Junior Wells (harmonica), Jimmy Rogers (guitar), Elgin Evans (drums). Recorded in Chicago, September 17, 1952.
B5: Little Walter (harmonica), Len Chess (bass drum). Recorded in Chicago, July 11, 1951.
B6 & B8*: Ernest “Big” Crawford (bass), Sunnyland Slim (piano). Recorded in Chicago, 1948.
*Bonus tracks. From the same sessions,but not included on the original LP.