Charles Mingus recorded this solo piano album on July 30, 1963 in New York City. It is his only solo piano record released during his lifetime.
The album includes improvisations on jazz standards and original compositions, showcasing his piano style influenced by Duke Ellington and Thelonious Monk.
Released in 1964 by Impulse!, the record reflects Mingus's most intimate side, away from his large orchestral ensembles.