Oorspronkelijk: Wagner Opera Vocal Scores. Compared to traditional printed sheet music or music downloads, it is incredibly inexpensive. Version 2.0.
Vertaling: Sta op, kameraad. Versie 2.0. Richard Wagner. Voice bladmuziek. Versie 2.0. 2 CD-ROM. Gecomponeerd door Richard Wagner. 1813-1883.