The Charlatan

This week’s Sunday Opera (4/12 3:00 p.m.) is turning to the work of a mostly forgotten Czech composer, Pavel Haas through his only opera, written in 1936, “Sarlatan,” “The Charlatan.”

It’s a showcase of the work of Pavel Haas on this week’s Sunday Opera (4/21 3:00 p.m.) as we look at his only opera, written in 1936, “Sarlatan.” Haas was…