Keyboard diagram

Keys
| Major Key |
F♯ |
C♯ |
G |
D |
A |
E |
B |
| Minor key |
D♯ |
A♯ |
E |
B |
F♯ |
C♯ |
G♯ |
| Sharp count |
6 |
7 |
1 |
2 |
3 |
4 |
5 |

| Major Key |
B♭ |
E♭ |
A♭ |
D♭ |
G♭ |
C♭ |
F |
| Minor key |
G |
C |
F |
B♭ |
E♭ |
A♭ |
D |
| Flat count |
2 |
3 |
4 |
5 |
6 |
7 |
1 |

Distances between consecutive notes in scales
Major scales
The distances between the notes in a major scale are tone, tone, semitone, tone, tone, tone, semitone.

Harmonic minor scales
The distances between the notes in a harmonic minor scale are tone, semitone, tone, tone, semitone, tone and a half, semitone.

Terms
| Italian term |
Abbrev. or sign |
Meaning |
| Andante |
— |
at an easy walking pace |
| Moderato |
— |
at a moderate speed |
| Allegro |
— |
lively and fast |
| Allegretto |
— |
moderately fast |
| Rallentando |
rall. |
gradually becoming slower |
| Ritardando |
rit. / ritard. |
gradually becoming slower |
| A tempo |
— |
return to former speed |
| Crescendo |
cresc. |
gradually becoming louder |
| Diminuendo |
dim. |
gradually becoming softer |
| Forte |
f |
loud |
| Piano |
p |
soft |
| Mezzo forte |
mf |
moderately loud |
| Mezzo piano |
mp |
moderately soft |
| Legato |
— |
smooth, well connected |
| Staccato |
— |
short and detached |
Scale degree names
| Scale Degree Number |
Technical Name |
| 1 |
Tonic |
| 2 |
Supertonic |
| 3 |
Mediant |
| 4 |
Subdominant |
| 5 |
Dominant |
| 6 |
Submediant |
| 7 |
Leading Note |
Interval names
| Major scale |
Minor scale |
| Perfect unison |
Perfect unison |
| Major 2nd |
Major 2nd |
| Major 3rd |
Minor 3rd |
| Perfect 4th |
Perfect 4th |
| Perfect 5th |
Perfect 5th |
| Major 6th |
Minor 6th |
| Major 7th |
Major 7th |
| Perfect 8ve |
Perfect 8ve |