Music Theory Online - electronic journal for professional and pre-professional music theorists, composers, historians, performers, and others in allied fields.
Musica Theoria - defintions, links and other various topics relating to music theory.
Online Music Instruction - interactive music instruction resource covering notation and harmonic theory of triads, sevenths and ninths. contains three skill levels, sounds, graphics, and links to other resources.
Piano on the Net - online courses using Apple's QuickTime software to teach piano and music lessons, including jazz.
rec.music.theory Page - supports the Usenet newsgroup rec.music.theory. Includes space for file sharing, links to theory sites, FAQs, saved useful threads.
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- topics include harmonic theory, chord diagrams and fretboard visualisation techniques.
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