Cadence rules

Question 1

Perfect Cadence rules:

Answer 1

1. retain common tones
2. when leading not (7th degree) is in the melody resolve to the tonic
3. when inner voice, resolve to 5th of chord I
4. Avoid parallel 5ths and octaves
5. double the root of the chord
6. move the upper voices in contrary motion

Question 2

Plagal

Answer 2

1. retain common tones
2. Start with outer voices and move in
3. Avoid parallel 5ths and octaves
4. Avoid overlapping parts
5. move upper voices in contrary motion to bass

Question 3

Imperfect Cadence (NOT harmonising)

Answer 3

Candence that ends on V (I-V, II-V, IV-V, iisus-V)

Question 4

Imperfect Harmonising

Answer 4

1. retain common tones
2. avoid parallel 5ths, octaves and over lapping parts
3. move upper voices in contrary motion to bass
   4!. Double the 3rd instead of the 5th

Question 5

Interrupted cadences (NOT harmonising)

Answer 5

known as ‘deceptive’ cadences. Seems like the music is going to resolve to I but goes to another chord such as VI

Question 6

Interrupted Harmonising Rules

Answer 6

1. retain common tones
2. avoid parallel 5ths, octaves, and overlapping parts
3. move upper voices in contary motion to bass
   4!!. Have soprano play 3rd of V going to 3rd of VI OR 5th of V to 3rd of VI