Saxophonist, composer, and arranger Jimmy Heath has passed away at 93, one of the last jazz artists going back to the 1940s. Heath played with many of the greats, including Miles Davis, James Moody, and John Coltrane, according to Heath a man capable of focusing on his musical difficulties. That was also true of Jimmy Heath and all jazz artists. Even the most naturally gifted must work hard to learn harmony and master an instrument. That done, in the midst of a performance, the artist must compose something that works rhythmically and harmonically, and is also hip and memorable. Only