The Opera series encompasses collections of both arias and complete operas. Collections of opera arias and songs (with piano accompaniment) are available by voice type. Collections of complete operas (piano/vocal scores) are available for composers currently including -- Mozart, Puccini, Verdi, Wagner. Each collection includes an alphabetical index for searching by title, aria or first line. For added reference, each collection also includes composer biographies and relevant articles from the 1911 edition of Grove’s Dictionary of Music and Musicians. Individual works included in each collection have been selected from editions in the public domain by such renowned publishers as Breitkopf & Härtel, C.F. Peters, G. Schirmer, Carl Fischer, G. Ricordi, Durand, and others. Our editorial staff has chosen the best edition available for each work.