Intervals, Chords And Cadences Flashcards
2,3,6,7 intervals
Major, augmented
Minor, diminished
4,5,8 intervals
Perfect, augmented, minor
Rule of 9
The interval will always add up to 9
2 - 7
3 - 6
4 - 5
Rule of opposites
Major - minor
Aug - diminished
Perf - Perf
‘full stops’
Perfect (V-I)
Plagal (IV-I)
‘commas’
Imperfect (anything - V but usually I or IV)
Interrupted (V-VI)
Rules
1) no consecutive 5ths or octaves
2) avoid overlapping parts
3) vocal ranges
4) no augmented, diminished or large leaps
5) leading notes rise to the tonic (sharpen in minor keys)
6) no doubling thirds
Hints
Double the root or 5th
Contrary motion
Double the 3rd in chord VI in inturrupted minors
High tenor
What to check for bc you’re thick
3rds!!
No doubling
Must have one
Duhh!
Perfect
V-I
Plagal
IV-I
Imperfect
Anything - V
Usually I-V or IV-V
Interrupted
- VI
Usually V-VI
What to look for in minor cadences
Augmented 2nds!
Minor chords in major scale
ii, iii, vi vii°
Minor chords in minor scales
i, ii°, iv, vii°
Augmented chord ininor scale
III
Diminished chord in major and mjnkr6
vii°
Minor also ii°
What to check for in cadences
Dim and Aug. Leaps
What do you double
Root
Failing that the fifth
Avoid
Mudy thirds
When do you double the third
Minor V-VI
Minor interrupted
When should you use contrary motion
When chords run in parallel
E.g IV-V or V-VI
What tk be wary of in minor interrupted
Augmented seconds