新托福阅读背景知识：The spread of jazz
托福阅读复习中，除了大量的真题练习之外，大家可以多了解一些相关的背景知识，这样能够帮助我们更好地来阅读文章内容。那么总结往年的托福阅读考试，具体的哪些背景知识属于高频内容，是大家复习的重点呢?为大家整理了相关的内容，供大家参考。
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The spread of jazz.
In the 1940's and 1950's, the sophisticated forms of bebop and cool jazz began to gain wide acceptance among intellectuals and college students. Jazz concerts became popular. Groups of jazz stars made a series of international tours called Jazz at the Philharmonic. The international growth of jazz resulted in many successful overseas tours by U.S. bands and combos.
The introduction of the 331/3 rpm long-playing (LP) record, which was first produced commercially in 1948, also helped spread the popularity of jazz. For 30 years, jazz recordings had been limited to 78 rpm records that restricted performances to about 3 minutes in length. The LP allowed recorded performances to run many minutes. The LP also permitted a number of shorter performances to be issued on a single record.
During the 1950's, musicians in other countries began to improve greatly as jazz performers as they were exposed to performances by American musicians through recordings and concerts. Sweden, France, Germany, Japan, and other countries developed players and composers whose work compared favorably with that of the leading Americans. The first foreign jazz musicians to influence Americans were Belgian-born guitarist Jingo Reinhardt in the late 1930's, and George Shearing, a blind, English-born pianist who immigrated to the United States in 1947.
In 1954, the first large American jazz festival was held at Newport, Rhode Island. Since then, annual festivals also have been held in Monterey, California; New York City; Chicago; Nice, France; Monteux, Switzerland; Warsaw, Poland; Berlin, Germany; and many other locations throughout the world. These festivals have featured almost all of the most popular jazz musicians and have introduced many extended concert works.
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