George Gershwin (1)_________ up in New York City, and he first made his living playing popular music on the piano in “Tin Pan Alley”. (to grew) It was there that he (2)_________ a strong feel for the popular music of the time that served as a basis for the popular songs that he composed. (to develop) In addition to his love of popular songs, he (3)_________ jazz (to enjoy). He believed that jazz (4)_________ the primary source of truly American folk music. (to be) Gershwin (5)_________ that jazz could serve as the basis for serious symphonic works. (to believe)