# 1-1 to 1-12: Congress Theatre, Eastbourne, England, December 1, 1973. # 1-13 to 1-16: Pittsburgh Jazz Festival, Pennsylvania, June 20, 1965. # 1-17 to 1-19: RCA Studio A, New York City, February 28, 1968. # 2-1, 2-3, 2-5, 2-7, 2-9, 2-11, 2-13: Recorded (possibly at Narwood Productions) in New York City, Fall 1965 (Duke Ellington speaking). # 2-2, 2-4 2-6, 2-8, 2-10, 2-12, 2-14 to 2-20: Tanglewood Music Center, Lenox, Massachusetts, July 28, 1965. # 2-21 to 2-27: Recorded in rehearsal at Tanglewood Music Center, Lenox, Massachusetts, July 28, 1965. # 3-1, 3-3, 3-13: RCA Studio C, New York City, September 2, 1969. # 3-4 to 3-9, 3-14 to 3-20: RCA Studio C, New York City, September 3, 1969. # 3-2, 3-10 to 3-12, 3-21 to 3-24: RCA Studio C, New York City, September 4, 1969.
Notes for sessions: # 3-1 to 3-3, 3-9, 3-13, 3-14, 3-18 to 3-20: Omit Duke Ellington.
Previously unissued: 1-14, 1-17, 1-19, 3-13 to 3-24.