Jazz pianist Keith Jarrett recently played in San Francisco and Los Angeles. If you caught his show, you heard a little more than just music. Jarrett is famous not just for the exacting demands he puts on his audiences, but for the grunts and groans he emits while playing. Sam Harnett and Chris Hoff explore these curious noises in an episode of their 90-second podcast, "The World According to Sound."
The World According to Sound: Pianist Keith Jarrett's Involuntary Vocalizations
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