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Chapter 4 . Chords – Part 1. Harmony . Harmony is the musical result of tones sounding together. Melody – Horizontal (linear) Harmony – Vertical . Chord . A harmonic unit with at least three different tones sounding simultaneously. . Triad. A three-tone chord.
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Chapter 4 Chords – Part 1
Harmony • Harmony is the musical result of tones sounding together. • Melody – Horizontal (linear) • Harmony – Vertical
Chord • A harmonic unit with at least three different tones sounding simultaneously.
Triad • A three-tone chord. • We usually use the term TERTIAN (chords containing a superposition of harmonic thirds) • Superimpose – place on above something else.
Triad Root • The term ROOT refers to the note on which the triad is built. • C major triad refers to a major triad whose ROOT is C. • The root is the pitch from which a triad is generated. • 4 in common use identified by the quality names; major, minor, augmented and diminished.
Major Triad • A MAJOR TRIAD consists of a major third and a perfect 5th.
Minor Triad • Consists of a minor third and a perfect fifth.
Diminished Triad • Consists of a minor third and a diminished fifth.
Augmented Triad • Consists of a major third and an augmented fifth.
Triad Construction • Each triad includes a ROOT, THIRD and a FIFTH.
Triad Stability • Major Triad – Strongest and most stable • Minor Triad – Strong and quite stable • Diminished Triad – Weak and unstable • Augmented Triad – Weak and unstable
Triad Names • You can construct a triad on any of the scale degrees. • The triad has the same function name as the individual pitch. • Both the pitch C and the C major triad are the tonic.
Primary Triads • Triads built on the tonic, subdominant and the dominant are often referred to as the PRIMARY TRIADS because of their strong relationships to each other.
Homework • Homework and classwork: Due Friday, October 11 – Workbook 4 ABCD Online Tests: 30 minutes. • http://www.musictheory.net/exercises/chord/drwy9yxyybby