Artiste musical
Open House: Song Cycles by Robert Beaser and William Bolcom (2012)
Sortie : 26 juin 2012 (France).
Compilation de Robert Beaser, William Bolcom, Paul Sperry, The New York Virtuosi Chamber Symphony, Kenneth Klein, Saint Paul Chamber Orchestra et Dennis Russell Davies
Artiste musical
Voices (2006)
Sortie : 2006 (France).
Album de Hans Werner Henze, Sarah Walker, Paul Sperry et London Sinfonietta


