Two or more notes sounding simultaneously; the foundation of harmony.

The way musical material is organized. It is the way in which other musical elements such as melody, harmony, timbre, and texture are combined through the passage of time to create a complete work of music.

The combination of notes to produce chords, and a way of understanding the progression of chords throughout a piece.

A succession of musical notes and rhythms arranged as a recognizable unit.

The repeated pattern of stronger and weaker beats.

A memorable melodic fragment significant to the structure of a piece of music.

A self-contained section of a longer piece.

The highness or lowness of a sound. It is measured relative to other pitches and also to absolute standards like 400 megahertz (the standard orchestral A).

The organization of music through time. The term may refer in a general way to the element of time in music, but more specifically to the patterns of long notes, short notes, and rests.

The relationship between melodic and harmonic elements in a piece of music, especially how many layers of notes occur at the same time.

The distinctive sound of a particular instrument or voice; also called tone color.

A way of paying attention to music at multiple levels of complexity for a richer, more rewarding experience.

Listening to music primarily for the emotional response it evokes.