Our guest this week is Chris Horgan, the captain of Pandora’s Dance Music Genome. He’s a rhythmatist, and the subject this week is time changes — specifically, abrupt changes in BPM that use a beat subdivision to pivot to the new tempo. That’s called “Metric Modulation,” and it can be a startlingly effective way for a full band to jump immediately into a new feel, without the potentially awkward process of speeding up or slowing down.
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