爵士音乐的根源来自于？ A: Blues音乐 B: 教堂音乐 C: 行进管乐 D: ragtime

爵士乐最直接的源头是 A: 拉格泰姆 ragtime B: Blues C: Swing D: Funk

What is the distinguishing feature of Bolden's band that was later recognized as a necessary feature of jazz A: The ability to be totally absorbed in the music. B: Improvisation. C: Collective improvisation. D: Ragtime with spontaneous additions.