Offers a study of the mechanics of articulate sound created by the human body. Link to a gallery of laryngeal pathology.

Read about motivic variation as illustrated by the works of J.S. Bach and Brahms. Listen to musical samples.

Composer describes this more recently developed school of musical thought, with illustrations and sound clips.

Six-lesson tutorial offers interactive tools for learning music theory on a variety of instruments. Check system requirements before downloading.

Fred Lerdahl delves into the relationship between listening to and composing music, defining a "compositional grammar" in this abstract.

Offers a free online course designed to provide rudimentary musical knowledge.

Simple all-text page offers a series of major and minor modes and scales.

All-text guide attempts to make chord theory a little less frightening. It starts out with triads and works up to 13th chords and "add" chords.

Find brief synopses of keys, scales, chords and fifths, with visual aids.

Highlights some of the theoretical features of this distinctly Jewish type of music.

Scroll through a list of modes that appear in different types of music from various cultures.

Resource covers notation, pitch, meter, chords and symbols, triads, inversions, and dynamics.

Resource is dedicated to the study of music theory. Provides ear-training software, reading lists, exercises and links to relevant documents.

Article illuminates the function of resonance in the human body. Link to pages on acoustics, speech and vocal music.

Bill Tilghman annotates this theory concocted by Lerdahl and Jackendoff. Provides glossaries.

Take an interactive theory quiz and check out beginning and intermediate lessons, along with Italian musical terms.

Browse a guide to modal harmony, chord naming and functions. Check out a harmonic analysis of a lute prelude by J.S. Bach.

Provides explanations of scales and modes, tonality, intervals, cadences, melodic organization, rhythm, and texture. Intended for beginners.

Explains the ruggiero bass line, with examples from Bach's "Goldberg Variations."

Read the transcription of an academic paper devoted to the analysis of Bach's Mass in B minor.