The performances, on December 12 and 13, will be led by Nicholas McGegan, and will also feature mezzo-soprano Marietta Simpson, tenor John Tessier, bass Philip Cutlip, and the Philadelphia Singers Chorale.
Shafer made her debut with Cincinnati Opera this summer, and also sang with Santa Fe Opera. She is also scheduled to appear in Messiah with the New York Philharmonic starting December 15.