National Sawdust will present the world premiere of “COUNTERTENOR,” featuring Anthony Roth Costanzo. The showcase, set for April 17-18, 2025 at the National Sawdust, will feature an exploration of the famed voice from a historical perspective with music by John Dowland, The Four Seasons, Philip Glass, Osvaldo Golijov, Claudio Monteverdi, Thomas Morley, Wolfgang Amadeus Mozart, Klaus Nomi, and Antonio Vivaldi, among others, all arranged by Dan Schlosberg for {…}