(Willis). Still More New Orleans Jazz Styles were written for pianists of intermediate level. Gillock believed that every student's musical education should include experiences in a variety of popular stylings, including jazz, as a recurring phase of study. Performers should be encouraged to deviate from the written notes with their own improvisations, for spontaneity is an essential ingredient of the jazz idiom. TITLES: Mississippi Mud * Uptown Blues * Downtown Beat * Canal Street Blues * Bill Bailey.