Of all my experiences as a producer, none was more traumatic than the attempt, in 1960, to record an album for Mercury Records with Charles Mingus.... After two days of crisis during which it seemed the album might never be made, I walked into the studio on the date of the session and could hardly believe my eyes. We had a twenty-two-piece orchestra, with Gunther Schuller conducting! Eric Dolphy, Clark Terry, Slide Hampton, Jimmy Knepper, Joe Farrell, Booker Ervin, Yusef Lateef and Paul Bley were among the participants. ...