Denver cornetist Ron Miles is a fervent student of jazz, but his music spills outside of any defined tradition

Few figures in jazz operate with as much refined comportment, melodic grace, and measured spontaneity as Denver cornetist Ron Miles. He’s quietly but forcefully risen in the global jazz scene due to his thoughtfulness, lyric grace, and communal spirit, which have attracted an ever-widening coterie of top-notch collaborators.…