design John Berg design Paula Scher drums Willie Smith electric bass Charles Calmese electric guitar Bob Margolin engineer Dave Still engineer [recording assistant] Grant Barlow harmonica [harp] James Cotton mastered by Greg Calbi photography by Jim Houghton piano Pinetop Perkins producer Johnny Winter vocals Muddy Waters vocals, bass, slide guitar, electric guitar, acoustic guitar [metal body], drums Johnny Winter tracks a1 to b3 written-by Johnny Winter Record Company Blue Sky Records, Inc. Phonographic Copyright (p) CBS Inc. Copyright (c) CBS Inc. Distributed By CBS Records Distributed By CBS Inc. Published By Winter Blues Music, Inc. Published By Arc Music Corp. Recorded At The Schoolhouse Mixed At The Schoolhouse Mastered At Sterling Sound Lacquer Cut At Sterling Sound Issued with a printed inner sleeve. Rights Society: BMI Matrix / Runout: AL 34813 (Label side A) Matrix / Runout: BL 34813 (Label side B) Matrix / Runout: AL 34813-1S STERLING (Runout side A etched (STERLING stamped) Matrix / Runout: BL 34813-INX STERLING (Runout side B etched (STERLING stamped) Matrix / Runout: AL 34813-1N STERLING (Runout side A etched (STERLING stamped) Variant 2) Matrix / Runout: BL 34813-INX STERLING (Runout side B etched (STERLING stamped) Variant 2)