Begun in December 1998, CPDL is one of the world's largest free sheet music sites.You can use CPDL to find scores, texts, translations, and information about composers.

Welcome to Opera Karaoke, the site in which classical singers or aspiring ones can find at their disposal, ready to be downloaded, all the tools necessary to perfectly learn the most famous arias of the operatic repertoire.

Sounds, images and text illuminate the sweep of Met History from the formation of the company in 1880, the first performances in 1883, through to the conclusion of the 2003-04 season.

Patriotic Melodies tells the stories behind many of the songs that have now become part of the American national heritage. A combination of hymns, national songs, music of the theater, radio and television, military themes, and poetry, all of this music d

Access to opera libretti, source texts, performance histories, synopses, discographies, and so on. The site also contains an opera information directory, which features an opera composer index containing 4800 entries. Free "Opera For Everyone" CD's.

A collaboration between the American Choral Directors Association and the Library of Congress. Contains public domain choral music that users can download, information on the composers, and material related to historical context and stylistic features.

Each opera has a short introductory article; video clips from a performance; interviews that may include a conductor, stage director, and performer of the show; a short, act-by-act synopsis of the opera; and additional links to related NPR stories.