See also Graphic Arts page for material related to music.
First Sounds. Digital recovery of sounds recorded on phonautograms in the mid 19th century.
Internet Archive 78 rpm search: Digitized 78 rpm vinyl recordings.
Internet Archive Audio: Free digital sound recordings: music, radio shows, poetry, podcasts etc.
National Film & Sound Archive, Australia.
National Jukebox, Library of Congress: Free historical sound recordings including music and spoken word.
Prince Bismarck and Count Moltke before the Recording Horn: The Edison Phonograph in Europe, 1889-1890.
Reel to Real: Ethnomusicology and Sound at the Pitt Rivers Museum, University of Oxford.
RIdIM (Répertoire International d'Iconographie Musicale): Database of music iconography. Contains descriptions of music and dance-related topics or content with links to online images of artworks.
The Roaring Twenties: "An interactive exploration of the historical soundscape of New York City." Hear what 1920s New York sounded like!
Robert Cushman Sheet Music Collection. At the Academy of Motion Picture Arts and Sciences, Margaret Herrick Library Digital Collections.