Opera by the Polish composer Stanisław Moniuszko [1819 - 1872].

"Halka is a passionate peasant girl, in love with the nobleman Janusz and carrying his child. Janusz spurns Halka in favour of Zofia, a lady of his own rank, whom he intends to marry. On the day of the wedding Halka appears at the church where the terrifying conclusion to the story unfolds."