Bb Major Bebop Scale Notes

Degree	Name	Note	Interval
1	Tonic	Bb4	P1
2	Supertonic	C5	M2
3	Mediant	D5	M3
4	Subdominant	Eb5	P4
5	Dominant	F5	P5
6	Submediant	Gb5	m6
7	Leading Tone	G5	M6
8	Octave	A5	M7
9	Degree 9	Bb5	—

Key Signature

The key of Bb Major Bebop Scale has 2 flats: B♭, E♭.

B♭E♭

Parallel key: Bb Minor Scale — same root note, opposite mode. See also the Bb Minor Chord.

Relative key: G Minor Scale — shares the same key signature. See also the G Minor Chord.

These are the diatonic triads built on each degree of the Bb Major Bebop Scale:

Degree	Numeral	Chord	Quality
1	I	Bb Major	Major
2	ii	C Minor	Minor
3	iii	D Minor	Minor
4	IV	Eb Major	Major
5	V	F Major	Major
6	vi	G Minor	Minor
7	vii°	A Diminished	Diminished