AP Music Theory
   Information about studying for and taking the advanced placement music theory exam.
   http://www.collegeboard.org/ap/music/index.html

Bimodalism, A New Dimension and Ethos in Harmony
   Contemporary alternative to atonal styles of composition.
   http://www.ubieta.com/bimodalism/

Chiasmata Modality
   An experimental modality.
   http://www.geocities.com/sz1_emery/index.html

Elements of Music Notation
   Basic introduction to reading music. Learn note names, clefs, staff, signs. Worksheets and answer keys included.
   http://www.lessontutor.com/eesMusic1.html

Eric's Treasure Trove of Music
   A reference resource on music theory, covering in brief a vast array of topics.
   http://www.treasure-troves.com/music/

Fred Lerdahl's Attack on Serialism
   Discussion of Lerdahl's published article "Cognitive Constraints on Compositional Systems", which explores the relationship between composing and listening.
   http://music.dartmouth.edu/~kov/lerdahl/

Fundamentals of Raga
   Introduction to the Indian modal form known as "rag" or "raga".
   http://chandrakantha.com/articles/indian_music/raga.html

Gary Ewer's Easy Music Theory
   Includes 25 lessons on music theory, including scales, transposition, intervals, and score formats.
   http://musictheory.halifax.ns.ca/

Gems of Compositional Wisdom
   Articles on advanced atonal and serial concepts.
   http://www.cosmoedu.net/DoctorFields/

Good Ear
   Online ear training site.
   http://www.good-ear.com/

Harmonic Bindings
   A paper about the unification of Janeãek's theory of imaginary tones with the two Risinger's principles of functional relations.
   http://www.sweb.cz/vladimir_ladma/english/music/articles/ifsa97.htm

Java Music Theory
   Suite of Java applets designed to help students of music theory improve their proficiency at basic music theory skills.
   http://academics.hamilton.edu/music/spellman/JavaMusic/default.html

Lunar Calendar Theory of Music
   Walter Johnson demonstrates similarities between the DO, RE, MI scale of music and the ancient Athenian lunar calendar of Meton, the Fibonacci rabbit sequence, and the annual spawning cycle of coral.
   http://walterjjohnson.com

Mr B's Music Tutorial
   By a music educator for students, a guide to self study covering music reading, piano, guitar, composers, and music history.
   http://schoolnotes.com/02910/mrbsmusic.html

Multimedia Music Theory Tutorial
   A concise summary of important concepts in music.
   http://www.chordwizard.com/theory.html

Music Theory Online
   Offering a musical dictionary, recorder lessons, instrument information and a composers listing.
   http://www.dolmetsch.com/theoryintro.htm

Polytonic Harmony
   Allows for the creation of music in multiple, simultaneous keys as well as a practical method of voice-leading these chords.
   http://www.erols.com/wbeachy/

Practical Music Theory
   Includes software, books, exercises, and links.
   http://www.teoria.com/

Rhythm Exercises
   Notation for drills, rudiments and etudes for practicing rhythm. By Nick Marshall.
   http://www.izap.com/~pinnacle/rhythms/

Ricci Adams' Musictheory.net
   Includes introductory and intermediate music theory lessons, ear trainers, and books.
   http://www.musictheory.net/

SchenkerGuide
   An introduction to Schenkerian analysis for undergraduate music students. Includes background, working method, glossary and bibliography.
   http://www.schenkerguide.com/

Solomon's Music Theory and Composition Resources
   Resources for composers, music theorists, and researchers of music, with sound files, papers and compositions.
   http://music.theory.home.att.net/

Star Theory
   Free preparatory syllabus in music theory and orchestration.
   http://www.musicarrangers.com/star-theory/

Syntactic Structures in Music
   By Tom Sutcliffe. Aims to help students of music theory understand the role of chord progressions in musical structures. Site includes animated demos.
   http://www.harmony.org.uk

Technical Committee on Musical Acoustics
   A group within the Acoustical Society of America, that concerns itself with the application of science and technology to the field of music. Contains members, a list of papers, acousticians and links.
   http://www.public.coe.edu/~jcotting/tcmu/

The Anatomy of a Fugue
   An outline of the substantials of a fugue based on Hugo Norden's "Foundation Studies in Fugue." Topics include counterpoint, subject, answer, and stretto.
   http://musik.freepage.de/cpb7079/inhalt.html

The Basics of Reading Music
   Online tutorial by Kevin Meixner.
   http://www.notationmachine.com/how_to_read_sheetmusic/readingmusic.htm

The Society for Music Theory
   Includes a database of journal article from the SMT Journal.
   http://societymusictheory.org

The Tonal Centre - Tonality
   Interactive site for music composers and theorists which explains and demonstrates some of the key concepts of tonality; including chords, scales, cadences, and modulation.
   http://www.andymilne.dial.pipex.com/

Theory of Music with Ted Kirk
   Resources for learning and teaching music theory to grade 5 of the Associated Board (UK).
   http://home.clara.net/tedkirk/theory.html

WholeARTS Music Conservatory
   Introductory dialogue for courses in music theory and composition.
   http://www.wholarts.com/music/ed/intro.htm

Zeuxilogy
   A new theory of musical time, developed in the past twelve years by the music theorist Andrei Pogorilowski.
   http://www.zeuxilogy.home.ro/