Postbop Jazz in the 1960s: The Compositions of Wayne Shorter, Herbie Hancock, and Chick Corea - Hardcoverby Keith Waters (Author) Innovations in postbop jazz compositions of the 1960s occurred in several dimensions, including harmony, form, and melody. Postbop jazz composers such as Wayne Shorter, Herbie Hancock, and Chick Corea broke with earlier tonal jazz traditions. Their compositions marked a departure from the techniques of jazz standards and original compositions that defined small group repertory through the 1950s: single key orientation,