Todd Terje in Oslo. Sigurd Fandango/Courtesy of Pitch Perfect PR hide caption

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Singer Idina Menzel (center) and Frozen songwriters Bobby Lopez (left) and Kristen Anderson-Lopez pose with gold records in February. Since then, the movie's soundtrack has sold over 1.5 million more copies. Alberto E. Rodriguez/Getty Images for Disney hide caption

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An engraving of composer Felix Mendelssohn, c. 1840. Hulton Archive/Getty Images hide caption

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Jessica Cleaves made a name for herself as a lead singer with the group Friends of Distinction. She later played with Earth, Wind & Fire as well as George Clinton YouTube screengrab hide caption

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Hans Zimmer. Zoe Zimmer/Courtesy of the artist hide caption

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The Colorado Symphony's Jerry Garcia Symphonic Celebration concert at Red Rocks Amphitheatre outside Denver last summer. If you squint, you can see a cloud of something that's probably not pot smoke. Matt Korona/Courtesy of the Colorado Symphony hide caption

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NPR Music's Ann Powers (right) interviews musicians (from left) Mike McCready of Pearl Jam, Alynda Lee Segarra of Hurray for the Riff Raff, Sharon Jones and Meshell Ndegeocello at the EMP Pop Conference in Seattle. Brady Harvey hide caption

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Trumpeter Geraldo Marshall and trombonist Johannes Utas, students at the Duke Ellington School of the Arts, rehearse for their school's 40th anniversary celebration. Lauren Migaki/NPR hide caption

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