gives the frequency of the note A in octave 4.


  • To use A4, you first need to load the Music Package using Needs["Music`"].
  • A4 is the name of a pitch in the standard equal-tempered scale.
  • The frequency is measured in Hertz.

See AlsoSee Also

Aflat4 bullet Asharp4 bullet A3 bullet A5 bullet C4 bullet D4 bullet E4 bullet F4 bullet G4 bullet B4

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