Jam session, a noun from bebop era, is a stage for jazz musicians demonstrates their technique and creative ideas.

一个源自咆勃乐风时期的名词，代表的是乐手们在台上轮流争相展现实力、巧思、创意、技巧的竞争时刻。

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In jazz, learning and ideas for innovation take place in jam sessions, the creative equivalent of conversations in 19th-century coffeehouses.

CNN: STORY HIGHLIGHTS