Ragtime music is dance music.

拉格·泰姆音乐是舞蹈音乐。

youdao

This send-up of ragtime song and dance begins in 1915 San Francisco when society boy Roger Grant decides to pursue popular rather than serious music.

当社会男孩罗杰格兰特决定追求流行，而不追求严肃的音乐时，一个对白令人逗笑的爵士音乐歌舞开始于1915年的旧金山。

youdao

Most experts agree that the traditional music and dance of American slaves played a big part in the development of ragtime.

VOA: special.2010.01.24

When the war ended in 1865, all of these musical styles blended to form a new genre called ragtime, which syncopated the rhythms of previous genres and made songs that everyone wanted to dance to.

BBC: The birthplace of jazz