Tom Huizenga

Collaboration. It's at the heart of many of NPR Music's finest moments. And it's in the DNA of the intrepid Kronos Quartet, which some 40 years ago began working with composers around the globe to spotlight new music.

Opening our 10th anniversary concert at the 9:30 Club in Washington, D.C., Kronos, true to form, gave an appreciative audience both a world premiere and an extraordinary surprise collaboration.

Classical music has never lived in a bubble. For centuries, it's always found common ground with folk music.

Enter, the Danish String Quartet.

John Adams might be called the "documentarian" among American composers. His works have traced the birth of the atomic bomb, President Nixon's trip to China and the 9-11 attacks. Now, Adams turns to the California Gold Rush.

Like a good mixtape from a friend, performances by David Greilsammer tend to range widely in repertoire and surprise with cunning juxtapositions. On a recent album for example, the Israeli pianist alternated sonatas by avant-garde pioneer John Cage and baroque master Domenico Scarlatti.

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