Birth of the Cool, track 6. "Deception" was written by Miles, and the arrangement for the Birth of the Cool nonet was Gerry Mulligan's. You can hear the musicianship of both of them at their best here, working in counterpoint to each other, Mulligan's ensemble voicings making a nest for Miles to soar out of.
It came from the last recording session for the album, in March of 1950.
I didn't know if I was going to find another recording of deception, and when I did, it blew me away. Clifford Brown and Eric Dolphy? I would never have thought of them as contemporaneous. But Clifford died in 1956 -- if you'd asked me to guess, I would have said around 1952 -- and Dolphy was just starting out, playing with local bands in LA. His father -- talk about supportive! -- built him a studio in the back yard, and friends -- like Clifford Brown -- would come by and jam. This is from one of those sessions: