Who was the most influential jazz organist of the 1950s and 1960s?

Following in the tradition of Copland and Gershwin, __________ blended popular and "serious" styles in his celebrated West Side Story

Fill in the blank(s) with the appropriate word(s).

The English anthem is the equivalent to what composers writing for the Roman Catholic Church called a

a. hymn. b. mass. c. lied. d. motet.