Boris Godunov wrote incidental music for Pushkin's drama. In 1997, the score of a 1710 baroque opera based on the reign of Boris by German composer Johann Mattheson was rediscovered in Armenia and returned to Hamburg, Germany. This opera, never performed during the composer's lifetime, had its world premiere in 2005 at the Boston Early Music Festival & Exhibition. Boris was portrayed on BBC Radio 4 by Shaun Dooley in the radio plays "Ivan the Terrible: Absolute Power" and "Boris Godunov: Ghosts" written by Mike Walker and which were the first two plays in the first series of "Tsar". The plays were
William Chapman (baritone) NYCO. At Spoleto he also appeared in the world premiere of Tennessee Williams's play "The Milk Train Doesn't Stop Here Anymore". In March 1962 he portrayed Horace Tabor in Douglas Moore's "The Ballad of Baby Doe" opposite Beverly Sills in the title role and the Secret Police Agent in Menotti's "The Consul". In the 1964–1965 season Chapman added four new roles to his NYCO repertoire: Rangoni in Modest Mussorgsky's "Boris Godunov" with Norman Treigle in the title role; Jochanaan in Richard Strauss's "Salome" with Norman Kelley as Herod, Patricia Neway as Herodias, and Curtin in the title role; Boris in