Billboard is an international news magazine devoted to music and the music industry, and is one of the oldest trade magazines in the world. It maintains several internationally recognized music charts that track the most popular songs and albums in various categories on a weekly basis.
Over 146,000 musical scores in the public domain. Exceptions may apply (the site attempts to comply with Canadian copyright law). Browse by composer, nationality, genre, instrumentation, time period, and more.
This About.com site is entirely devoted to music education. Covered topics include instruments, music theory, and music history. The site also offers free lesson plans, games, sheet music, and other resources for music teachers and students.
This teacher-created site is an excellent resource for music information. In addition to free downloads, sheet music, and lesson plans for teachers, Music Ed Magic offers education articles, news, and a special music education search engine.
Founded in 1984, the Center for Computer Assisted Research in the Humanities is engaged in the development of large databases of musical and textual materials for applications in research, teaching, and performance.