Ryo Terakado and Natsumi Wakamatsu are Baroque violinists from Japan. We caught up with them playing Bach's Concerto for Two Violins in D Minor, otherwise known as the "Bach Double," at the Boston ...

Formally it's known as the Concerto for Two Violins, BWV 1043. But most musicians call it the "Bach Double." In concert in Burlington, Vt., the Vermont Symphony plays the "Bach Double" with violinists ...