A♯ Major 7♭5

Notes: A♯ – C♯♯ – E – G♯♯
Degrees: 1 – 3 – ♭5 – 7Also written: A♯maj7♭5, A♯M7♭5Lower C♯♯ to C♯ and it is A♯dim(maj7); raise E to E♯ and it is A♯maj7. A♯ and G♯♯ do not move.

The A♯ Major 7♭5 chord is a four-note chord made up of A♯, C♯♯, E, and G♯♯.

A♯ Major 7♭5 chord: A♯, C♯♯, E, G♯♯

It is built from a root, major third, diminished fifth, and major seventh.

A major 7th with a lowered 5th: Lydian-flavored, the unusual ear-catching cousin of the major 7th.

B♭ Major 7♭5

This is the same chord as B♭ Major 7♭5: the same keys on the keyboard, spelled with flats.

Open B♭ Major 7♭5 What are enharmonics?

Construction

A♯ Major 7♭5 = Root + Major 3rd + Diminished 5th + Major 7th = A♯, C♯♯, E, G♯♯

Note	Interval	Degree
A♯	Root	1
C♯♯	Major 3rd	3
E	Diminished 5th	♭5
G♯♯	Major 7th	7

How to Play the A♯ Major 7♭5

Right Hand (RH)

Place your right hand over the keys with the thumb on the root. Use the fingering: 2 – 3 – 4 – 5

Left Hand (LH)

For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2

A♯ Major 7♭5 : Frequently Asked Questions

What is the A♯ Major 7♭5 chord on piano?

The A♯ Major 7♭5 chord contains the notes A♯ – C♯♯ – E – G♯♯. On piano, play these notes together to sound the chord.

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