This concert, recorded at the Montreux Jazz Festival on July 20,1975, primarily features considerably extended versions of tracks from the pair of albums Changes One and Changes Two that were released in 1974 together with workouts on a couple of old standards 'Goodbye Pork Pie Hat' and 'Take The 'A' Train'. The line-up features Charles Mingus on bass with Don Pullen on piano, Dannie Richmond o...