A historical look at concepts of Indian scales and modes comparing North and South Indian approaches.

The science of music. Explanations of how musical instruments work via waves and frequency modulation.

A guide to music theory that including chords, scales, music notation and other music theory topics. Has blog format; includes links as well.

Covers intermediate and slightly advanced topics in tonal music theory.

Essential music theory knowledge, briefly explained.

Intermediate music theory help covering basics through beginning formal analysis and counterpoint.

Online instruction for all musicians beginner or advanced. Covers scales, chordal theory, progression theory, modes and foreign scales.

Provides a forum for the exchange of information and to promote music theory as a scholarly and pedagogical discipline. Site also contains membership and scholarship information as well as open calls for papers.

Downloadable worksheets for elementary and middle school students.

Offers explanation of chords, scales, harmony, tuning systems, counterpoint. Also provides links to ear training sites, news groups and history.

Online ear training fundamentals site. [Requires Java]

Offers visual aid to recognizing musical patterns occurring in melody, harmony and rhythm. Provides online demonstration; requires download.

Articles by John Greschak. Includes a comprehensive annotated bibliography of polytempo music.

Notation for drills, rudiments and etudes for practicing rhythm.

Includes introductory and intermediate music theory lessons, ear trainers, and books.

An introduction to Schenkerian analysis for undergraduate music students. Includes background, working method, glossary and bibliography.

Julius Schoens alternative to traditional musical notation, has music notation documents, reference, and discussion.

Rhythmic exercises with accompanying MIDI files.

Explains scales and building chords from them.

Author's overview of how every piece of music, every sound, and every picture can be rated on its own merits outside (as well as inside) human opinion.

Includes a database of journal article from the SMT Journal.

Resources for composers, music theorists, and researchers of music, with sound files, papers and compositions.

Free preparatory syllabus in music theory and orchestration.

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.

Includes software, books, exercises, and links.