Don Patterson  Why Not.. LP Muse MR 5148 Idris Muhammad 1st Pressing never on CD Archival Sleeve
Don Patterson started the Acid Jazz movement without knowing it.   Medeski Martin Wood John Scofield and many others learned from his work. It has a 1978 Disco cover Amazing

Why Not... is the final album by organist Don Patterson recorded in 1978 and released on the Muse label.

Don Patterson (July 22, 1936 – February 10, 1988) was an American jazz organist.
In the early 1960s, he began playing regularly with Sonny Stitt, and he began releasing material as a leader on Prestige Records from 1964 (with Pat Martino and Billy James as sidemen). His most commercially successful album was 1964's Holiday Soul, which reached #85 on the Billboard 200 in 1967.

Idris Muhammad (born Leo Morris; November 13, 1939 – July 29, 2014) was an American jazz drummer and bandleader. He had an extensive career performing jazz, funk, R&B, and soul music and recorded with musicians such as Ahmad Jamal, Lou Donaldson, Pharoah Sanders, Bob James, and Tete Montoliu.
Eddie Lee McFadden (August 6, 1928 – September 23, 1992) was a jazz guitarist. He played in Philadelphia clubs from the 1950s and was in organist Jimmy Smith's band for several recordings in 1957–58. He then recorded several albums with another organist – Johnny "Hammond" Smith – during the period 1960–63, and one more in 1966. McFadden made two further sideman appearances on albums in the late 1970s.