填空题

Jazz has been called"the art of expression set to music". It has functioned as popular art and enjoyed periods of fairly (36) public response. The standard legend about Jazz is that it (37) around the end of the 19th century in New Orleans and moved up the Mississippi River to Memphis, St. Louis,and finally to Chicago. It welded together the (38) of Ragtime,marching band music,and the Blues. However, the (39) of what led to those early sounds go back to tribal African drum beats and European musical (40) .
What made Jazz (41) different from the other earlier forms of music was the use of improvisation. Jazz (42) a break from traditional music where a composer wrote an entire piece of music on paper, leaving the (43) to break their backs playing exactly what was written on the score.
In a Jazz piece, however, the song is simply a starting point, or sort of skeletal guide for the Jazz musicians to improvise around. (44) . Generally speaking, these early musicians couldn’t make very much money and were stuck working menial jobs to make a living. The second wave of New Orleans Jazz musicians included such memorable players as Joe Oliver, Kid 0ry, and Jelly Roll Morton. (45) , improved its complexity, and gained great success. This kind of Jazz became more and more popular. The music developed for new characteristic. Many people contributed to the change. They will be remembered. (46) .