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A♯ (musical note)

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A♯ (A-sharp), or La Dièse, is the eleventh semitone of the solfege.

Contents

This note lies a chromatic semitone above A and a diatonic semitone below B, thus being enharmonic to Si Bémol or B♭ (B-flat).

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the A♯ above middle C is approximately 466.164 Hz. See pitch (music) for a discussion of historical variations in frequency.

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♯

    • Diatonic scales

  • A♯ Ionian: A♯ B♯ C D♯ E♯ F G A♯
  • A♯ Dorian: A♯ B♯ C♯ D♯ E♯ F G♯ A♯
  • A♯ Phrygian: A♯ B C♯ D♯ E♯ F♯ G♯ A♯
  • A♯ Lydian: A♯ B♯ C D E♯ F G A♯
  • A♯ Mixolydian: A♯ B♯ C D♯ E♯ F G♯ A♯
  • A♯ Aeolian: A♯ B♯ C♯ D♯ E♯ F♯ G♯ A♯
  • A♯ Locrian: A♯ B C♯ D♯ E F♯ G♯ A♯

    • Jazz Melodic Minor

  • A♯ Ascending Melodic Minor: A♯ B♯ C♯ D♯ E♯ F G A♯
  • A♯ Dorian ♭2: A♯ B C♯ D♯ E♯ F G♯ A♯
  • A♯ Lydian Augmented: A♯ B♯ C D E F G A♯
  • A♯ Lydian Dominant: A♯ B♯ C D E♯ F G♯ A♯
  • A♯ Mixolydian ♭6: A♯ B♯ C D♯ E♯ F♯ G♯ A♯
  • A♯ Locrian ♮2: A♯ B♯ C♯ D♯ E F♯ G♯ A♯
  • A♯ Altered: A♯ B C♯ D E F♯ G♯ A♯

    • References

    A♯ (musical note) Wikipedia
    (Text) CC BY-SA


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