“Over the next two years, he will visit 36 cities — winking at the fact that each of the six [Bach cello] suites has six sections — on six continents. In each city, he will pair a performance of the full cycle … with what he’s calling a ‘day of action’ that brings Bach into the community. It’s a small and glancing, but also deeply felt, attempt to suggest that this music, with its objectivity and empathy, its breathless energy and delicate grace, could, if heard closely by enough people, change the world.”