tracks 3, 4 bass Alfred Elkins
tracks 1, 2 drums Ernest "Big" Crawford
tracks 5 to 12 drums Leroy Foster
tracks 5 to 7, 10 to 12 guitar Jimmy Rogers
tracks 1 to 4, 14 to 16 guitar Leroy Foster
tracks 5, 11, 12 guitar Little Walter
tracks 1, 2, 5 to 12 guitar Muddy Waters
tracks 13 to 16 guitar Robert Lockwood Jr.
tracks 6 to 10 harmonica Little Walter
tracks 3, 4 harmonica Snooky Pryor
tracks 13 to 16 piano Sunnyland Slim
tracks 1 to 4, 7 to 10, 13 to 16 vocals Leroy Foster
tracks 5, 8, 9, 11, 12 vocals Little Walter
tracks 8, 9 vocals Muddy Waters