Music
- The Aria DatabaseA collection of information about opera and operatic arias, with translations for many arias and aria texts for those not affected by copyright restrictions, as well as sound files and scores.
- Center for the History of Music Theory and Literature (CHMTL)A site bringing together various activities, publications, and projects centered at the Jacobs School of Music at Indiana University.
- Classical Archives: MIDIA site comprising 666 MIDI files by 19 classical composers, including Bach, Mozart, Chopan, Starke, and Beethoven.
- Classical NetA site featuring more than 9,000 pages and 20,000+ images including more than 7,200 CD, SACD, DVD, Blu-ray and Book reviews, and over 5,500 links to other classical music websites.
- Collection of Musical InstrumentsA site from the Univeristy of Michigan offering a sample of the world's most interesting musical instruments to allow you to explore the diversity and creativity of musical traditions.
- Dimitri TiomkinA site about famous Hollywood composer Dimitri Tiomkin.
- Felix MendelssohnBiographies, images, and articles about the famous German composer.
- Historic American Sheet MusicDuke University's digital images for over 3,000 pieces from their sheet music collection were published in the United States between 1850 and 1920.
- IN Harmony: Sheet Music from IndianaA search and discovery system for accessing sheet music from the Indiana University Lilly Library, the Indiana State Library, the Indiana State Museum, and the Indiana Historical Society.
- The Lester S. Levy Collection of Sheet MusicA collection of sheet music consisting of over 29,000 pieces of American popular music, spanning the years 1780-1980.
- Music for the Church of GodA site with background information about worship, Psalm singing (psalmody), hymnody, music in general, and church music in particular.
- Music for the Nation: American Sheet Music, ca. 1870 to 1885A site containing more than 62,500 pieces of historical sheet music, including popular songs, operatic arias, piano music, sacred and secular choral music, solo instrumental music, method books and instructional materials, and music for band and orchestra.
- Music Theory.netA site offering lessons, exercises, and tools for learning music theory.
- MusicWeb Encyclopaedia of Popular MusicA site including a blog, encyclopedia of popular music, a history of popular music, and several biographies of composers, put together by Donald Clarke.
- The Mutopia ProjectA project offering sheet music editions of classical music for free download.
- Voice of the Shuttle: MusicA site with links to information about all types of music, from French to classical, to drums and percussion.