B♯ Lydian Augmented scale

The B♯ Lydian Augmented scale is a 7-note lydian augmented scale built on the root B♯. Its notes are B♯, C𝄪, D𝄪, E𝄪, G♯, G𝄪 and A𝄪. Third mode of melodic minor — Lydian with a raised fifth, dreamy and otherworldly. This page covers the formula, fingerings, diatonic chords and common progressions that make B♯ Lydian Augmented a great tool for improvising and composing.

Short answer

Lydian Augmented is a jazz favourite over augmented major-7 chords. The raised fifth gives an unsettled, dreamy quality — film composers use it for magical or surreal moments. Built on the root B♯, the scale takes on the specific colour and pitch range of that key - making it especially useful in genres and registers where B♯ is a comfortable tonal centre.

Notes
B♯ · C𝄪 · D𝄪 · E𝄪 · G♯ · G𝄪 · A𝄪
Formula
1P · 2M · 3M · 4A · 5A · 6M · 7M
Step pattern
W W W W H W H
Tonic
B♯

B♯ Lydian Augmented on the piano

Show:
Piano keyboard highlighting the B♯ Lydian Augmented scale notesB♯C𝄪D𝄪G𝄪A𝄪B♯C𝄪D𝄪G𝄪A𝄪E𝄪G♯E𝄪G♯B♯ Lydian Augmented - B♯ · C𝄪 · D𝄪 · E𝄪 · G♯ · G𝄪 · A𝄪

B♯ Lydian Augmented on the guitar

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Position:
Guitar fretboard highlighting the B♯ Lydian Augmented scale noteseBGDAED𝄪E𝄪G♯G𝄪A𝄪B♯C𝄪D𝄪A𝄪B♯C𝄪D𝄪E𝄪G♯G𝄪A𝄪G♯G𝄪A𝄪B♯C𝄪D𝄪E𝄪C𝄪D𝄪E𝄪G♯G𝄪A𝄪B♯C𝄪G𝄪A𝄪B♯C𝄪D𝄪E𝄪G♯G𝄪D𝄪E𝄪G♯G𝄪A𝄪B♯C𝄪D𝄪B♯ Lydian Augmented - fr 012

B♯ Lydian Augmented on the staff

Hear the B♯ Lydian Augmented scale

B♯ Lydian Augmented
B♯ · C𝄪 · D𝄪 · E𝄪 · G♯ · G𝄪 · A𝄪
B♯C𝄪D𝄪E𝄪G♯G𝄪A𝄪

Improvisation drone

Loop the root note as a pad to practice improvising over this scale.

B♯ Lydian Augmented
B♯

Notes of the B♯ Lydian Augmented scale

DegreeIntervalSemitonesNoteHear
11P0B♯(B#)
22M2C𝄪(C##)
33M4D𝄪(D##)
44A6E𝄪(E##)
55A8G♯(G#)
66M9G𝄪(G##)
77M11A𝄪(A##)

Diatonic chords of B♯ Lydian Augmented

These are the chords that naturally form on each degree of the scale. Click a chord to open its dedicated page.

How to use the B♯ Lydian Augmented scale

The diatonic chords of B♯ Lydian Augmented are: I+ = B♯+, II = C𝄪, III = D𝄪, iv° = E𝄪°, v° = G♯°, vi = G𝄪m, vii = A𝄪m. These seven chords belong naturally to the key and are the safest harmonic vocabulary when writing songs in B♯ Lydian Augmented. Click any chord below to open its full diagram and progressions.

Lydian Augmented is a jazz favourite over augmented major-7 chords. The raised fifth gives an unsettled, dreamy quality — film composers use it for magical or surreal moments.

Practice tips

Target the raised fifth (♯5) over a major-7♯5 chord to lock in the lydian augmented sound. Try arpeggiating the I and III chords — both are augmented triads — to hear how unstable the scale is.

Where you will hear B♯ Lydian Augmented

B♯ Lydian Augmented appears throughout lydian augmented is a jazz favourite over augmented major-7 chords. the raised fifth gives an unsettled, dreamy quality — film composers use it for magical or surreal moments. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.

Formula & step pattern

Formula
1P · 2M · 3M · 4A · 5A · 6M · 7M
Step pattern
W - W - W - W - H - W - H

The B♯ Lydian Augmented scale follows the third mode of melodic minor — major with a raised fourth and fifth (1, 2, 3, ♯4, ♯5, 6, 7). Step pattern: W - W - W - W - H - W - H. Intervals from the root: 1P · 2M · 3M · 4A · 5A · 6M · 7M. Memorising the formula lets you transpose the scale to any other root note quickly.

Questions people ask

What notes are in the B♯ Lydian Augmented scale?
The B♯ Lydian Augmented scale contains B♯, C𝄪, D𝄪, E𝄪, G♯, G𝄪 and A𝄪.
What is the formula for the B♯ Lydian Augmented scale?
B♯ Lydian Augmented follows the third mode of melodic minor — major with a raised fourth and fifth (1, 2, 3, ♯4, ♯5, 6, 7).
Is B♯ Lydian Augmented a major or minor scale?
B♯ Lydian Augmented is a lydian augmented scale. Third mode of melodic minor — Lydian with a raised fifth, dreamy and otherworldly.
What chords belong to the B♯ Lydian Augmented scale?
The diatonic chords of B♯ Lydian Augmented are B♯+, C𝄪, D𝄪, E𝄪°, G♯°, G𝄪m, A𝄪m.
Which genres use B♯ Lydian Augmented?
Lydian Augmented is a jazz favourite over augmented major-7 chords. The raised fifth gives an unsettled, dreamy quality — film composers use it for magical or surreal moments.
How do I practise the B♯ Lydian Augmented scale?
Target the raised fifth (♯5) over a major-7♯5 chord to lock in the lydian augmented sound. Try arpeggiating the I and III chords — both are augmented triads — to hear how unstable the scale is.