(Willis). More New Orleans Jazz Styles was written for performers at the 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. Pianists should be encouraged to deviate from the written notes with their own improvisations, for spontaneity is an essential ingredient of the jazz idiom. TITLES: New Orleans Blues * Taking It Easy * After Midnight * Mister Trumpet Man * Bourbon Street Saturday Night.