Kerouac's most important poem, Mexico City Blues, incorporates all the elements of his theory of spontaneous composition. Memories, fantasies, dreams, and surrealistic free association are all lyrically combined in the loose format of the blues to create an original and moving epic. "I want to be considered a jazz poet blowing a long blues in an afternoon jam session on Sunday. I take 242 choruses; my ideas vary and sometimes roll from chorus to chorus or from halfway through a chorus to halfway...