Cadences and 6/4 Chords

Cadences and 6/4 Chords


Lecture Notes:

  • Melodic Bassline - Melody happens in the bass.
  • Arpeggiated Bass - Onl the Bass moves in 5th & the upper voices stay the sams

Types of Cadences
  • Perfect Authentic Cadence (PAC) is the most final-sounding cadence. Always ends in the root position
  • Imperfect Authentic Cadence (IAC) - A dominant function to a tonic function. Dont end in the root position (PAC but inverted).
  • Half Cadence  - Ends on the dominant Chord.
  • Deceptive Cadence (interrupted) - When the dominant doesn't resolve to the 1, then it would be end anywhere and tonic.
Image from:
https://dictionary.onmusic.org/terms/1034-deceptive_cadence

  • Plagal Cadence - When the IV (4) resolves to a I (1).
The above shows the list of the types of cadences and how the functions work.
Image from:
https://www.8notes.com/school/theory/phrases_and_cadences.asp?show=all




Types of 6/4 Chords
  • Pedal (Neighbor) 6/4 - bass is stationary while the upper voices move. The upper voices moved in a neighboring motion.
  • Passing6/4 - Is connecting a root position moving to a first inversion using a passing note
  • Cadential 6/4 - Most unstable. The Bass note is the 5th of the scale degree while the upper voices is the tonic notes creating a I(1) 6/4. There will be 2 tendency note resolving to a V (1).
Image from:
https://www.schoolofcomposition.com/understanding-the-cadential-6-4/




Here's a YouTube video from "David Hartley". In this video, he explain the cadences and how they work. He talks about Perfect cadence, Imperfect Authentic Cadence, Plagal, and Deceptive (Interrupted). 



Here's a YouTube video from "Music Matters". In this video, he talks specifically about the Cadential 6/4. He shows you the rules and how it work using the keyboard and the staff on the board.



Above, is a video of me playing the SATB voicing for S.A.T.B. in the key of G minor using my primary instrument (Piano). Below is the numbered Chord progressions for the excerpt.



Below is an image of the musical score for the SATB that I arranged.

























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