Key Signatures
Chords
Intervals
Cadences
Bonus
100

This key signature has three flats

E flat

100

C E G

C Major

100

E to G

third

100

This cadence uses the chords V -> I and ends with I in the melody

Perfect authentic cadence

100

This is the whole and half steps used to create a scale.

WWHWWWH

200

This key signature has two sharps

D

200

Ab C Eb

Ab major

200

F to D

sixth

200

This cadence uses the chords V->I with iii in the melody 

Imperfect authentic cadence

200

How to read a flat key signature

Go to the last flat, then go backwards one in the order of flats
300

This key signature has four sharps

E

300

D F A

D minor

300

D to G

Fourth

300

This cadence uses the chords IV->I

Plagal cadence

300

How to read a sharp key signature

Go to the last sharp, then go up a half step

400

This key signature has five flats

D flat
400

B D# F#

B Major

400

B to C

Second

400

This cadence uses the chords V-> anything but I

Deceptive Cadence

400

How to turn a major chord into a minor chord

Lower the third
500

This key signature has six flats

G flat

500

Gb Bb Db

Gb Major

500

C to C

Octave or Unison

500

This cadence uses the chords anything -> V

Half Cadence

500

How to build a chord

Use 1 3 and 5 of the scale