 Complete the following phrase:  The most common form of sacred jazz is the Jazz Mass. Although most often performed in a concert setting rather than church worship setting, this form has many examples. Eminent examples of composers of the Jazz Mass include Mary Lou Williams and Eddie Bonnemère. Having become disillusioned with her life as a secular performer, Williams converted to Catholicism in 1957. and proceeded to compose three masses in the jazz idiom. One was composed in 1968 to honor the recently April 1968 