06 harmony

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This lecture covers chapter 6 of Elements in our textbook.

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06 harmony

  1. 1. HARMONY Refers to the way chords are constructed and how they follow each other.
  2. 2. HARMONY <ul><li>A chord is a combination of 3 or more tones sounded at once. </li></ul><ul><li>Melody is a group of individual tones heard one after another </li></ul><ul><li>As a melody unfolds, it provides clues for harmonizing </li></ul><ul><li>A melody does not always dictate a specific series or progression of chords </li></ul>
  3. 3. HARMONY <ul><li>The same melody can be harmonized in many different ways </li></ul><ul><li>Composers will experiment to find the chord progression that best fits the melody </li></ul>
  4. 4. HARMONY <ul><li>Some chords are considered stable and restful </li></ul><ul><ul><li>A tone combination that is stable is called a consonance </li></ul></ul><ul><li>Some chords are considered unstable </li></ul><ul><ul><li>These chords are called dissonant </li></ul></ul><ul><li>When dissonant chords move to consonant chords it is called a resolution </li></ul>
  5. 5. The most simple of all chords is the triad The notes of a triad are played at the same time HARMONY w w w
  6. 6. HARMONY <ul><li>Triads are made up of alternate notes of the scale. </li></ul><ul><ul><li>The first tone ( do ), the third ( mi ), and the fifth ( sol ) </li></ul></ul><ul><li>A triad built on the first note of the scale ( do ) is called the tonic chord . </li></ul><ul><li>Traditionally a piece of music will begin and end on the tonic chord. </li></ul>
  7. 7. HARMONY <ul><li>The triad built on the fifth note of the scale is almost as important as the one built on the tonic. </li></ul><ul><ul><li>A triad built on the fifth note is called a dominant chord. </li></ul></ul><ul><li>A dominant chord pulls strongly to the tonic chord and usually sets up the tension that must be resolved by returning to the tonic chord. </li></ul>w w w
  8. 8. HARMONY <ul><li>Progression from dominant chord to tonic chord is called a cadence. </li></ul><ul><li>A cadence can be both a resting point in the melody and the end of a melodic passage. </li></ul>
  9. 9. HARMONY <ul><li>An arpeggio is when the notes of a chord are not played at the same time, but one at a time </li></ul><ul><ul><li>The chord has been broken into it’s individual notes </li></ul></ul><ul><li>The definition of arpeggio is broken chord. </li></ul>
  10. 10. Frederic Chopin (1810-1849) <ul><li>Prelude in E Minor for Piano , Op. 28, No. 4 (1839) </li></ul><ul><ul><li>Without the dissonant chords underlying the melody, which hardly moves between two notes, this piece would be extremely boring </li></ul></ul><ul><ul><li>This dissonant chords underscore the melancholy of this piece </li></ul></ul><ul><ul><li>Toward the end, a mildly dissonant chord sets up the resolution of the dissonance and the end of the piece. </li></ul></ul>
  11. 11. Frederic Chopin (1810-1849) <ul><li>Prelude in E Minor for Piano , Op. 28, No. 4 (1839) </li></ul><ul><ul><li>Without the dissonant chords underlying the melody, which hardly moves between two notes, this piece would be extremely boring </li></ul></ul><ul><ul><li>This dissonant chords underscore the melancholy of this piece </li></ul></ul><ul><ul><li>Toward the end, a mildly dissonant chord sets up the resolution of the dissonance and the end of the piece. </li></ul></ul>

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