A♭ (musical note)

A (A-flat; also called la bémol) is the first note of the A♭ major scale. A/G is the only note to have only one other enharmonic.

Designation by octave
Scientific designationHelmholtz designationOctave nameFrequency (Hz)A−1  A͵͵͵ or ͵͵͵A or AAAA Octocontra  A0  A͵͵ or ͵͵A or AAA Subcontra  A1  A͵ or ͵A or AA  Contra  A2  A  Great  A3  a  Small  A4  a′  One-lined  A5  a′′  Two-lined  A6  a′′′  Three-lined  A7  a′′′′  Four-lined  A8  a′′′′′  Five-lined  A9  a′′′′′′  Six-lined  A10  a′′′′′′′  Seven-lined  

Scales
Common scales beginning on A
A Major: A B C D E F G A
A Natural Minor: A B C D E F G A
A Harmonic Minor: A B C D E F G A
A Melodic Minor Ascending: A B C D E F G A
A Melodic Minor Descending: A G F E D C B A

Category:Musical notes