The Phantom of the Opera is a novel by French author Gaston Leroux. It was first published as a serial in Le Gaulois from 23 September 1909 to 8 January 1910, and was released in volume form in late March 1910 by Pierre Lafitte. From Wikipedia
Drawing on Seth Sklar-Heyn’s 2021 London revival, the tour opens this November at Baltimore’s Hippodrome Theatre featuring a 38-member cast led by Isaiah Bailey.