(CD Sheet Music). The Orchestra Musician's CD-ROM Library is an unprecedented collection, affording musicians the opportunity to build a personal library of orchestral repertoire at an incredibly low price. The CD-ROM contains the same published parts musicians have been using for many years. Works are viewable and printable on PC or Macintosh. No access codes or special software is required. The CD uses Adobe Acrobat Reader technology which is included on the CD. This volume includes parts to later operas, including Das Rheingold, Die Walkure, Siegfried, Gotterdammerung, Die Meistersinger von Nurnberg, and Parsifal .