A sequence of pitches

A single, sustained tone sounded against a goup of tones (melody)

A combination of tones that sound "discordant", unstable, in need of resolution

The 1st + 8th degree of a scale

The simultaneous events in music (two or more notes)

Harmonic organization around a central tone

A combination of tones that provide a sense of relaxation + stability

The two types of scales commonly used

Simultaneous sounding of three or more pitches (notes)