There are 100 years of jazz recordings, most available a click away. Emmet Cohen says he wants to make music that honors all of it. Cohen is two albums into his Masters Legacy Series. The first featured legendary drummer Jimmy Cobb, the second with bass icon Ron Carter. Future releases include Cohen's work with jazz giants Benny Golson, Tootie Heath and George Coleman. Asked what he learns from these superstars, Cohen says the music comes first. Interacting with players, whose history go back