Ab Lydian

A flat Lydian scale for guitar.
The Ab Lydian is a seven-note scale, it is also called a mode. Colored circles in the diagram mark the notes in the scale (darker color highlighting the root notes). In the fretboard pattern, the first root note is on the 6th string, 4th fret.

Ab

2 octaves

Ab Lydian scale diagramNotes: Ab - Bb - C - D - Eb - F - GIntervals: 2 - 2 - 2 - 1 - 2 - 2 - 1 Type: Septonic 

The scale displayed with its numeric formula, intervals and scale degrees.

Formula Notes Intervals Degrees
1 Ab Unison Tonic
2 Bb Major second Supertonic
3 C Major third Mediant
#4 D Augmented fourth Subdominant
5 Eb Perfect fifth Dominant
6 F Sixth Submediant
7 G Major seventh Leading tone

The A flat Lydian scale consists of seven notes. These can be described as steps on the guitar fingerboard according to the following formula: whole, whole, whole, half, whole, whole, half from the first note to the same in the next octave.
The Ab Lydian is a mode of the Eb Major Scale. It contains exactly the same notes, but starts on another note.
The Ab Lydian is the same as the Ab Major apart from one note, the fourth in the scale.

Chords that are related to this scale are the following:

Ab, Abmaj7, Ab6, Ab6/9, Abmaj9, Abmaj13
Bb, Bb7, Bb6, Bb6/9, Bb9, Bb11, Bb13
Cm, Cm7, Cm9, Cm11
Ddim, Dm7b5
Eb, Ebmaj7, Eb6, Eb6/9, Ebmaj9, Ebmaj13
Fm, Fm7, Fm6, Fm9, Fm11
Gm, Gm7

The tones in these chords correspond to the tones of the Ab Lydian scale.

Related to this scale are Lydian #2, Lydian #5 and Lydian b7, being the 6th mode of the Harmonic Minor and the 3rd and 4th modes of the Melodic Minor.

The Ab Lydian #2 scale is identical to the Ab Lydian except for the augmented second. It can be displayed as follows:

Formula Notes Intervals Degrees
1 Ab Unison Tonic
#2 B Augmented second Supertonic
3 C Major third Mediant
#4 D Augmented fourth Subdominant
5 Eb Perfect fifth Dominant
6 F Sixth Submediant
7 G Major seventh Subtonic

The Ab Lydian #2 contains the same notes as the C Harmonic Minor Scale, but starts on another note.

The Ab Lydian #5 scale is identical to the Ab Lydian except for the augmented fifth. It can be displayed as follows:

Formula Notes Intervals Degrees
1 Ab Unison Tonic
2 Bb Major second Supertonic
3 C Major third Mediant
#4 D Augmented fourth Subdominant
#5 E Augmented fifth Dominant
6 F Sixth Submediant
7 G Major seventh Subtonic

The Ab Lydian #5 contains the same notes as the F Melodic Minor Scale, but starts on another note.

The Ab Lydian b7 scale, also known as A Lydian Dominant scale, is identical to the A Lydian except for the augmented fifth. It can be displayed as follows:

Formula Notes Intervals Degrees
1 Ab Unison Tonic
2 Bb Major second Supertonic
3 C Major third Mediant
#4 D Augmented fourth Subdominant
5 Eb Perfect fifth Dominant
6 F Sixth Submediant
b7 Gb Minor seventh Subtonic

The Ab Lydian b7 contains the same notes as the Eb Melodic Minor Scale, but starts on another note.