Music Theory

  Lesson 21 September 24th, 2021 Lesson 21 Lecture notes: The 7th chord leading tones include the viio triad , viio6 triad ( first inversion ), viiø7 chord , and viio7 chord . ( o = diminished , ø = half-diminished ) The 7th-degree chords mentioned above are dominant-function chords built on top of the leading tone in the respective key you are in. The 7th chords are weaker in their harmonic function and serve as substitutes for the V  and V7 chords . The 5th chord and 7th chords share the 7th , 2nd , and 4th degrees of the respective scale that they belong to. For example, in C major , the 5th degree is G , and the notes for that chord are G, B , D , F . The 7th degree is B , and the notes for that chord are B , D , F , A. Leading tone chords also expand the tonic area at the beginning or middle of a phrase, just like a V chord . The tendency tones shared by the V7 and viio6 resolve in a stepwise motion to the tonic . The 7th resolves up to 1 , the 2nd resolve

  Lesson 20 September 18th, 2021 Lesson 20 Lecture notes: There are nine common  embellishing tones inclusive of passing tone , neighbor tone , appoggiatura , escape tone , double neighbor , anticipation , pedal point , suspension , and retardation . Embellishing tones are also referred to as " nonharmonic " or " nonchord " tones. A note that fills in a melodic skip between two chord tones is a passing tone . Neighbor tones often embellish a repeated note and or a common chord tone . The most common suspensions used in music include 4-3 , 7-6 , and 9-8 . When considering voice leading , it is best  NOT to  double the suspension or its resolution . These notes can also be what is known as tendency notes . The photo above explains what non-chord tones are, how they are used by composers and how they are situated in music. (Photo Credit: https://slideplayer.com/slide/4472983/) The picture above shows all the embellishment tones with visual examples and expla