The AllMusic review by Scott Yanow stated: "One of the highpoints of Charles Mingus's career was his appearance at the 1964 Monterey Jazz Festival... it showcases the bassist/composer/bandleader at the peak of his powers".^[2]

All compositions by Charles Mingus except as indicated

1. "Duke Ellington Medley: I've Got It Bad" (Duke Ellington) - 4:14
2. "Duke Ellington Medley: In a Sentimental Mood" (Ellington) - 1:46
3. "Duke Ellington Medley: All Too Soon" (Ellington) - 1:53
4. "Duke Ellington Medley: Mood Indigo" (Ellington) - 0:59
5. "Duke Ellington Medley: Sophisticated Lady" (Ellington) - 1:46
6. "Duke Ellington Medley: A Train" (Billy Strayhorn) - 13:54
7. "Orange Was the Color of Her Dress, Then Blue Silk" - 13:04
8. "Meditations on Integration" - 22:48

• Recorded at the Monterey Jazz Festival in California on September 20, 1964

• Charles Mingus - bass, piano
• Lonnie Hillyer - trumpet
• Charles McPherson - alto saxophone
• Jaki Byard - piano
• Dannie Richmond - drums
• Bobby Bryant, Melvin Moore - trumpet (track 8)
• Lou Blackburn - trombone (track 8)
• Red Callender - tuba (track 8)
• Buddy Collette - flute, piccolo, alto saxophone (track 8)
• Jack Nimitz - bass clarinet, baritone saxophone (track 8)
• John Handy - tenor saxophone (tracks 6 & 8)