note.coffee.md

Note

Translate a number to a music note name.

notes = "C C# D D# E F F# G G# A A# B".split(" ")

-1 is B3 0 is C4 1 is C#4 ...

module.exports = (noteNumber) ->
  noteNumber |= 0

  note = notes.wrap noteNumber

  octave = 4 + (noteNumber / 12)|0

  "#{note}#{octave}"