With this Tiny Desk Concert by the Grammy-winning Pacifica Quartet, we have the opportunity to explore the world of a single composer. With the arguable exception of Béla Bartók’s six string quartets, it’s generally accepted that the 15 by Dmitri Shostakovich are the strongest body of quartets since ’s no way around it — the Shostakovich quartets are intense, like page-turning thrillers, as they pull you into his world. They are dark and introspective, witty and sarcastic, and stained with th