Scores Operas Vocal scores with piano Music Songs (High voice) with piano Songs (Medium voice) with piano Songs (High voice) with instrumental ensemble Opéras Manuscripts Song cycles Facsimiles Songs (Medium voice) with instrumental ensemble History History and criticism Opera Choruses, Secular (Mixed voices) with orchestra Masses Musicals Scores and parts Electronic music Choruses, Sacred (Mixed voices) with orchestra Motets Songs with piano Choruses, Sacred (Mixed voices) with instrumental ensemble Microtonal music Songs (Low voice) with piano Cantatas, Secular Choruses, Sacred (Mixed voices), Unaccompanied Choruses, Secular (Mixed voices), Unaccompanied Excerpts