D Major Bebop Scale Notes

Degree	Name	Note	Interval
1	Tonic	D4	P1
2	Supertonic	E4	M2
3	Mediant	F#4	M3
4	Subdominant	G4	P4
5	Dominant	A4	P5
6	Submediant	Bb4	m6
7	Leading Tone	B4	M6
8	Octave	C#5	M7
9	Degree 9	D5	—

Key Signature

The key of D Major Bebop Scale has 2 sharps: F♯, C♯.

F♯C♯

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

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

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

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