A group of two or more notes performed at the same time.

A series of chords performed in a repeated pattern or progression.

The distance between chord changes - can be quick or slow.

A scale used in Western music tradition, often associated with an upbeat sound.

A scale used in Western music tradition, often associated with a sad sound.

The performing of each note of the chord in succession and separately.

The performing of each notes of the chord together in unison.

The performance of a single repeated note to maintain a tonal center - most often heard on instruments such as the bagpipe and didgeridoo.

The change away from the home key, often up or down.

Any melodic instrument that performs with and supports the melody.

An overall PLEASANT sounding piece of music.

An overall UNPLEASANT sounding piece of music.

The overall relationship between melody and harmony and how they create a unique sound set when combined.

A series of eight notes that span an octave, from one root note to the same note eight notes above it. For example, from C to C - C D E F G A B C

Music without a key or home center.