Login
Login

A♯ (musical note)

{{Short description|Musical note}}

{{Other uses|A♯ (disambiguation){{!}}A♯}}

{{stack|{ \new Staff \with{ \magnifyStaff #3/2 } << \time 2/1 \override Score.TimeSignature #'stencil = ##f { \clef bass ais1_A-sharp \clef treble ais' } >> }}}

File:NotesASharp.png

A{{music|sharp}} (A-sharp; French: {{lang|fr|la dièse}}) is the eleventh semitone of the solfège.

This note lies a chromatic semitone above A and a diatonic semitone below B, thus being enharmonic to B♭ (musical note) (French: {{lang|fr|si bémol}}).

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the A{{music|sharp}} above middle C is approximately 466.164Hz.{{cite web|last=Suits|first=B. H.|title=Physics of Music Notes – Scales: Just vs Equal Temperament|url=https://pages.mtu.edu/~suits/scales.html|website=MTU.edu|publisher=Michigan Technological University|date=1998|access-date=5 February 2024}} See pitch (music) for a discussion of historical variations in frequency.

Designation by octave

class="wikitable"

!Scientific designation

!Helmholtz designation

!Octave name

!Frequency (Hz)

!MIDI note number

A{{music|sharp}}−1A{{music|sharp}}͵͵͵ or ͵͵͵A{{music|sharp}} or AAAA{{music|sharp}}Subsubcontraalign="right"| {{#expr:440 * 2^((10-69)/12) round 3}}

|10

A{{music|sharp}}0A{{music|sharp}}͵͵ or ͵͵A{{music|sharp}} or AAA{{music|sharp}}Subcontraalign="right" | {{#expr:440 * 2^((22-69)/12) round 3}}

|22

A{{music|sharp}}1A{{music|sharp}}͵ or ͵A{{music|sharp}} or AA{{music|sharp}}Contraalign="right" | {{#expr:440 * 2^((34-69)/12) round 3}}

|34

A{{music|sharp}}2A{{music|sharp}}Greatalign="right" | {{#expr:440 * 2^((46-69)/12) round 3}}

|46

A{{music|sharp}}3a{{music|sharp}}Smallalign="right" | {{#expr:440 * 2^((58-69)/12) round 3}}

|58

A{{music|sharp}}4a{{music|sharp}}{{prime}}One-linedalign="right" | {{#expr:440 * 2^((70-69)/12) round 3}}

|70

A{{music|sharp}}5a{{music|sharp}}{{prime}}{{prime}}Two-linedalign="right" | {{#expr:440 * 2^((82-69)/12) round 3}}

|82

A{{music|sharp}}6a{{music|sharp}}{{prime}}{{prime}}{{prime}}Three-linedalign="right" | {{#expr:440 * 2^((94-69)/12) round 3}}

|94

A{{music|sharp}}7a{{music|sharp}}{{prime}}{{prime}}{{prime}}{{prime}}Four-linedalign="right" | {{#expr:440 * 2^((106-69)/12) round 3}}

|106

A{{music|sharp}}8a{{music|sharp}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}Five-linedalign="right" | {{#expr:440 * 2^((118-69)/12) round 3}}

|118

A{{music|sharp}}9a{{music|sharp}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}Six-linedalign="right" | {{#expr:440 * 2^((130-69)/12) round 3}}

|N/A

A{{music|sharp}}10a{{music|sharp}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}{{prime}}Seven-linedalign="right" | {{#expr:440 * 2^((142-69)/12) round 3}}

|N/A

Scales

=Common scales beginning on A{{music|#}}=

  • A-sharp major: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A-sharp minor: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|#}} G{{music|#}} A{{music|#}}
  • A{{music|#}} harmonic minor: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|#}} G{{music|x}} A{{music|#}}
  • A{{music|#}} melodic minor ascending: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A{{music|#}} melodic minor descending: A{{music|#}} G{{music|#}} F{{music|#}} E{{music|#}} D{{music|#}} C{{music|#}} B{{music|#}} A{{music|#}}

=[[Diatonic scale]]s=

  • A{{music|#}} Ionian: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A{{music|#}} Dorian: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Phrygian: A{{music|#}} B C{{music|#}} D{{music|#}} E{{music|#}} F{{music|#}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Lydian: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|x}} E{{music|#}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A{{music|#}} Mixolydian: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Aeolian: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|#}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Locrian: A{{music|#}} B C{{music|#}} D{{music|#}} E F{{music|#}} G{{music|#}} A{{music|#}}

=[[Jazz scale#Modes of the melodic minor scale|Jazz melodic minor]]=

  • A{{music|#}} ascending melodic minor: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A{{music|#}} Dorian ♭2: A{{music|#}} B C{{music|#}} D{{music|#}} E{{music|#}} F{{music|x}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Lydian augmented: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|x}} E{{music|x}} F{{music|x}} G{{music|x}} A{{music|#}}
  • A{{music|#}} Lydian dominant: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|x}} E{{music|#}} F{{music|x}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Mixolydian ♭6: A{{music|#}} B{{music|#}} C{{music|x}} D{{music|#}} E{{music|#}} F{{music|#}} G{{music|#}} A{{music|#}}
  • A{{music|#}} Locrian ♮2: A{{music|#}} B{{music|#}} C{{music|#}} D{{music|#}} E F{{music|#}} G{{music|#}} A{{music|#}}
  • A{{music|#}} altered: A{{music|#}} B C{{music|#}} D E F{{music|#}} G{{music|#}} A{{music|#}}

References

{{Reflist}}

{{Semitones}}

{{DEFAULTSORT:A-sharp}}

Category:Musical notes