Bb
Chromatic Scale
(Originally A#)
Note: A# Minor → Bb Minor
A# Major contains double sharps (C##, F##) and is rarely used in practice
Bb Major is the standard key with 2 flats, very common in wind instruments and jazz.
Scale Notes
Bb1+0 semitones
B2+1 semitones
C3+2 semitones
Db4+3 semitones
D5+4 semitones
Eb6+5 semitones
E7+6 semitones
F8+7 semitones
Gb9+8 semitones
G10+9 semitones
Ab11+10 semitones
A12+11 semitones
Scale Information
| Root Note | Bb (from A#) | Scale Type | Chromatic Scale |
| Category | Theoretical | Number of Notes | 12 |
Interval Pattern
Semitones: 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11
Pattern repeats every octave (12 semitones)
A#0
B1
C2
C#3
D4
D#5
E6
F7
F#8
G9
G#10
A11
← Scroll horizontally to see all notes →
Understanding the Pattern: The numbers above show the interval distances between scale notes in semitones (half-steps). The highlighted notes like this are the notes that belong to this scale. This pattern can be moved to any starting note to create the same scale in different keys - that's how scales work across all 12 keys!
Scale Overview
Description
All 12 semitones, used for transitions and color tones
Musical Context
This theoretical scale contains 12 notes and is commonly used in Jazz and Wind instruments music. This scale requires some musical experience to master effectively.
Characteristics
CompleteTransitionalColorfulNon-tonal
Practice Guide
Key Signature
2 flats (Bb, Eb)
Bb - B - C - Db - D - Eb - E - F - Gb - G - Ab - A
Difficulty Level
IntermediateCircle of Fifths
Very popular in jazz and wind instruments (trumpet, clarinet)
Common Genres
JazzWind instrumentsClassicalBrass
Common Uses
Classical music
Jazz
Transitions
Color tones
Practice Tips
- • Practice ascending and descending patterns
- • Try different rhythmic variations
- • Experiment with skipping notes (thirds, fourths)
- • Use as a basis for improvisation