Improvisation has always been at the core of jazz music.

Collective improvisation—a piano player riffing on a bass line thumping out of an upright following the whims of a drummer—has served the entire jazz industry well over the past century or so.

But, when you take a step back to get a wide-angle view of the landscape of the current music industry, the theory of improvisation can be applied in interesting new ways.

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