notes that form chords and the progression from one chord to another

vertical events in music

three or more tones sounded together

built from particular scales

collection of pitches arranged in ascending or descending order

do-re-mi-fa-sol-la-ti-do

1-2-3-4-5-6-7-8

major or minor

combo of three tone

built from a scale

most common

first note of a scale (do)

home base

harmony/melody built