The Akademie für Alte Musik Berlin began as a courageous display of musical sovereignty against the East German socialist regime and now, some 30 years later, enjoys recognition as one of Europe’s greatest musical success stories. “Akademie für Alte Musik Berlin is early music’s Bang on a Can All Stars”¦staggeringly good players.” (Los Angeles Times) Their UMS debut program features music by J.S. Bach and two of his sons.