For 13 years, Benjamin Treuhaft has been taking pianos to Cuba – 237 of them so far. “Treuhaft keeps returning to survey donated instruments and tune and restore others, striking an insistent chord against the U.S. trade embargo. After nearly 20 trips to the island — some without U.S. approval — the jocular former hippie who sports a bandanna on his head and likes to tune pianos while barefoot is now a personality in some Cuban music circles.”