So Long Eric/Peggy’s Blue Skylight Meditations On Integration Charles Mingus Filmed in Belgium April 19, 1964 Tunes (all by Mingus): – So Long Eric – Peggy’s Blue Skylight – Meditations On Integration Filmed in Belgium April 19, 1964. Charles Mingus – Bass Jaki Byard – Piano Eric Dolphy – Alto Sax, Flute & Bass Clarinet Clifford Jordan – Tenor Sax Dannie Richmond – Drums