Block chord: most typically, 3-4 notes played at the same time to create harmony. The
simplest form is a “triad” in which three notes play simultaneously, with the interval of a
third between each note: ie) C E G. Singers often accompany themselves on guitar by
strumming block chords.
Broken chord: a pattern in which the notes of a block chord are played in a sequential
pattern of some kind, often repeating certain pitches.
ie) C G E G or D F A F. This technique became popular in classical music in the
Classical period (~1750-1800). Mozart frequently composed using broken chords.
Chord progression: a series of chords that lead one to the next harmonically.
Harmonic cadence: two chords which, when played in succession, signal the end of a
major section of a composition. Eg) V-I is called a “perfect” cadence, and is usually
found at the end of a piece.
Hillbilly music: Rural music recordings by white musicians primarily for a white
audience. AKA old-time music. (87)
Melodic cadence: two successive melo