‘The least of us’: The Crossing premieres hymns written for an imagined religion

Sebastian Currier’s “Mysterium” is based on the husband-and-wife team of scientist Robbert Dijkgraaf and novelist Pia de Jong.

The Harmonious Communities program formed a choir at the service and resource center for people experiencing homelessness.

For its 150th season, the classical choral ensemble will perform a program of anti-war, anti-violence music.