A♭ (musical note)

A♭ (A-flat; also called la bémol) is the ninth semitone of the solfège.

Contents

• Common scales beginning on A
• Diatonic scales
• Jazz Melodic Minor
• References

It lies a diatonic semitone above G and a chromatic semitone below A, thus being enharmonic to G♯, although in some musical tunings, A♭ will have a different sounding pitch than G♯.

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the A♭ above middle C (or A♭₄) is approximately 415.305 Hz. See pitch (music) for a discussion of historical variations in frequency.

A♭/G♯ is the only note to have only one other enharmonic.