B♭aug
B♭ Augmented
1 3 ♯5

Notes in B♭aug

B♭R
D3
F♯♯5

The B♭aug chord contains 3 notes: B♭, D, F♯

Intervals

IntervalSemitonesNoteFunction
R0B♭Root
34DMajor 3rd
♯58F♯Augmented 5th

About B♭ Augmented Chords

Augmented chords raise the 5th by a half step, creating an unsettled, dreamy tension. Like diminished 7th chords, augmented chords are symmetrical — they divide the octave into three equal parts. The Beatles used augmented chords frequently for their otherworldly quality.

Compatible Scales & Modes

These scales contain all the notes of B♭aug and can be used for soloing, improvising, and writing melodies over this chord.

B♭ Whole Tone Scale
A symmetric 6-note scale that perfectly outlines augmented harmony.
B♭ Lydian ♯5
Also called Lydian Augmented — works in jazz contexts over augmented chords.

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