填空题

Jazz Jazz began in the early 20th century as a music of (1)______ Americans. The first 1. ______. jazz record was made in (2).______. Jazz 2. ______. represents a mixture of musical elements, including the European ideas of harmony and melody, but the rhythms are more (3) ______ 3. ______. in origin. Jazz has 3 notable features. First, it is (4) ______ in rhythm. Second, it has more 4. ______. than one rhythm. In other words, it is (5) ______. 5. ______. Third, players (6)______ while 6. ______. playing. New Orleans jazz marked a major step in jazz’s development. It combined the deep emotion of the American (7) ______ and 7. ______. Negro spiritual with elements of European folk music. The most obvious feature of New Orleans jazz was its more complex rhythm. By the 1940’s, thanks to the contributions made by great jazz musicians like Lester Young and Charlie Christian, jazz entered into the modern era. The new approach to rhythm even made the (8)______ play in a more 8. ______. complicated way. After the 1950’s, modern jazz was further developed into "free jazz." Without planning beforehand, players may change the (9) ______. 9. ______. of a "free jazz" several times during a performance. Today, jazz has been widely recognized as America’s (10) ______ music. It also 10. ______. influenced various kinds of music across the world.