求翻译：到20世纪初，爵士乐进入了它的辉煌时代，大师辈出，佳作纷繁。这一时期，除了爵士乐，美国流行音乐与戏剧相结合，产生了一种新型的体裁——音乐剧，这是美国20世纪又一个重大的文化成就。是什么意思？

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At the beginning of the 20th century, jazz has entered its golden age, master, masterful youngest varied. In addition, this period American pop and jazz music, drama, combined with a new type of genre - the music drama, this is the United States 20 century has a significant cultural achievements.

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Early 20th century, jazz into its glorious times, masters have, masterpiece ever. During this period, in addition to jazz, United States popular music with a combination of drama, has produced a new type of genre--musicals, this is United States 20th century a significant cultural achievements.

At the beginning of the 20th century, the jazz has entered its brilliant era, the master comes forth in large number, the fine piece of writing is numerous and complicated. This period, except the jazz, the American pop is combined with drama, have produced a new kind of types --The musical play, th