Alexa Dollar flings open her arms and spins across the stage, relishing the moment as if she’s just arrived at a party thrown in her honor. She kicks out her leg and flutters back across the floor, chasing the piano’s tantalizing lilt. Drew Lybolt comes next, taking over the stage with powerful leaps and commanding twirls set to an insistent, almost argumentative, piano vignette.

Herbert Zipper, a world-renowned conductor, composer and pioneer of the community arts movement in the United States, grew up in a Vienna of extremes: From his birth in 1904 until he fled in 1939, the Austrian capital transformed from the heights of science and culture to the depths of economic depression and the onslaught of violent antisemitism and Nazi rule.