In a contemporary landscape overrun with new operas featuring white, cisgendered men in the title roles, it’s refreshing to consider Opera Philadelphia’s newest commission, “Elizabeth Cree.” This chamber opera, composed by Kevin Puts with a libretto by Mark Campbell, adapts Peter Ackroyd’s macabre murder mystery, “The Trial of Elizabeth Cree.” The story, set in late 19th century London, follows Elizabeth Cree, {…}