On a new record called Connections: Mind the Gap, tuba player Bob Stewart sums up his career with a showcase of the instrument's versatility. Courtesy of the artist hide caption

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Rapper Prodigy, shown above performing in New York City, published his debut novel, H.N.I.C., in 2013. Mike Lawrie/Getty Images hide caption

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Carl Douglas strikes a pose as he promotes his 1974 song, "Kung Fu Fighting." Michael Putland/Getty Images hide caption

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Beyonce performs on stage at the MTV Video Music Awards. Robyn Beck/AFP/Getty Images hide caption

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A still from the video for "Shake It Off" by Taylor Swift. YouTube hide caption

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A still from the video for "Am I Wrong" by Nico & Vinz. YouTube hide caption

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Samuel "Shadow" Morgan. Courtesy of the artist hide caption

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Many institutions have their archives stored on CDs — but the discs aren't as stable as once thought. There is no average life span for a CD, says preservationist Michele Youket, "because there is no average disc." Sarah Tilotta/NPR hide caption

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The Metropolitan Opera has settled labor contracts with two of its largest unions. Jonathan Ticler/Metropolitan Opera hide caption

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Aaron Freeman, formerly known as Gene Ween, released the debut record with his new band, simply called Freeman, this July. Courtesy of the artist hide caption

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Frankie Soto is in charge of the "underground" rock shows at an empty storefront in Stockton's Normandy Village Shopping Center. Brett Myers/Youth Radio hide caption

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