Scale Reference
All tracks in Sonic Byte use minor keys for their dark character.
Natural Minor Scales
D Minor (Tracks 1 & 8)
D E F G A Bb C D
1 2 b3 4 5 b6 b7 1
Common bass notes: D2, F2, G2, A2, Bb1
Common melody notes: D4, F4, G4, A4, C5, D5
E Minor (Track 2)
E F# G A B C D E
1 2 b3 4 5 b6 b7 1
Common bass notes: E2, G2, A2, B2
Common melody notes: E4, G4, A4, B4, D5
A Minor (Track 3)
A B C D E F G A
1 2 b3 4 5 b6 b7 1
Common bass notes: A1, C2, D2, E2, G2
Common melody notes: A4, C5, D5, E5, G5
F Minor (Track 4)
F G Ab Bb C Db Eb F
1 2 b3 4 5 b6 b7 1
Common bass notes: F2, Ab2, Bb2, C2
Common melody notes: F4, Ab4, Bb4, C5, Eb5
C Minor (Track 5)
C D Eb F G Ab Bb C
1 2 b3 4 5 b6 b7 1
Common bass notes: C2, Eb2, F2, G2, Bb2
Common melody notes: C4, Eb4, F4, G4, Bb4, C5
B Minor (Track 6)
B C# D E F# G A B
1 2 b3 4 5 b6 b7 1
Common bass notes: B1, D2, E2, F#2
Common melody notes: B4, D5, E5, F#5
G Minor (Track 7)
G A Bb C D Eb F G
1 2 b3 4 5 b6 b7 1
Common bass notes: G2, Bb2, C2, D2, F2
Common melody notes: G4, Bb4, C5, D5, F5
Sonic Pi Note Names
# Octave notation
:c2 # C in octave 2 (bass range)
:d3 # D in octave 3 (low mid)
:a4 # A in octave 4 (middle)
:e5 # E in octave 5 (high)
# Sharps and flats
:fs4 # F sharp
:bf3 # B flat (also :bb3)
:cs2 # C sharp
:ef4 # E flat (also :eb4)
Common Intervals
| Interval | Semitones | Character | Example from D |
|---|---|---|---|
| Minor 2nd | 1 | Tense, dissonant | D → Eb |
| Major 2nd | 2 | Neutral | D → E |
| Minor 3rd | 3 | Dark, sad | D → F |
| Major 3rd | 4 | Bright, happy | D → F# |
| Perfect 4th | 5 | Strong, open | D → G |
| Tritone | 6 | Very tense | D → Ab |
| Perfect 5th | 7 | Powerful, stable | D → A |
| Minor 6th | 8 | Dark | D → Bb |
| Major 6th | 9 | Warm | D → B |
| Minor 7th | 10 | Bluesy, dark | D → C |
| Major 7th | 11 | Bright tension | D → C# |
| Octave | 12 | Same note, higher | D → D |
Dark vs Bright Intervals
Darkest (use for tension):
- Minor 2nd (1 semitone)
- Tritone (6 semitones)
- Minor 6th (8 semitones)
Dark but stable (main vocabulary):
- Minor 3rd (3 semitones)
- Perfect 4th (5 semitones)
- Perfect 5th (7 semitones)
- Minor 7th (10 semitones)
Avoid in dark music:
- Major 3rd (sounds happy)
- Major 6th (sounds warm)
- Major 7th (sounds jazzy)
Chord Construction
Minor Triad
# D minor chord: D F A
play [:d4, :f4, :a4]
# or
play chord(:d4, :minor)
Minor 7th
# D minor 7: D F A C
play chord(:d4, :m7)
Power Chord (5th)
# D5: D A (no third - neither major nor minor)
play [:d3, :a3]
Bass Note Relationships
When writing bass:
Safe jumps:
- Root to 5th: Strong, powerful
- Root to 4th: Moving, transitional
- Root to minor 3rd: Dark color
Avoid:
- Root to major 3rd: Sounds too happy
- Large jumps without purpose
# Good bass movement in D minor
bass :d2; sleep 1
bass :a2; sleep 0.5 # Fifth - strong
bass :g2; sleep 0.5 # Fourth - movement
bass :f2; sleep 1 # Minor third - dark
bass :d2; sleep 1 # Return to root
Melody Tips by Key
D Minor
- Emphasize: D, F, A (minor triad)
- Use Bb for darkness
- Resolve to D
G Minor
- Emphasize: G, Bb, D
- Use Eb for extra darkness
- The Bb-A-G resolution is powerful
E Minor
- Emphasize: E, G, B
- The F#-G movement is classic
- Resolve descending to E