Instrumentation

•  Opera (417)
•  Vocal: Solo or Voice with Instruments (6)
•  Choir: Mixed Voices (SATB) (2)
•  Choir: General (1)
•  Ensemble: Mixed Instruments (1)
•  Guitar Ensemble (1)
•  Keyboard (1)
•  Orchestra (1)

Format

•  Sheet Music (3440)
•  CD (2195)
•  Cassette (32)
•  Book (18)
•  Sheet Music/CD (16)
•  Book/CD (12)
•  DVD (12)
•  Sheet Music/Online Audio (6)
•  Sheet Music/Online Material (3)
•  Book/Online Audio (2)
•  Sheet Music/DVD (2)
•  Libretto (1)
•  Set of Books (1)