code: function() {
      var octave = this.octave();
      var name = this.name();
      name = octave < 3 ? name.toUpperCase() : name.toLowerCase();
      var padchar = octave < 3 ? ',' : '\'';
      var padcount = octave < 2 ? 2 - octave : octave - 3;
  
      return pad(name + this.accidental(), padchar, padcount);
    }
docs: Returns the Helmholtz notation form of the note (fx C,, d' F# g#'')