message: adding additional midi to frequency tests
diff: define(["helper/Basic", "Test", "Tone/type/Midi", "Tone/core/Tone",
  "deps/teoria", "helper/Offline", "Tone/type/Time", "Tone/type/TransportTime",
  -"Tone/type/Ticks", "Tone/type/Frequency"],
  - function (Basic, Test, Midi, Tone, teoria, Offline, Time, TransportTime, Ticks, Frequency) {
  + "Tone/type/Ticks", "Tone/type/Frequency"], function(Basic, Test, Midi, Tone, teoria, Offline, Time, TransportTime, Ticks, Frequency){
  describe("Midi", function(){
  @@ -74,7 +73,7 @@ define(["helper/Basic", "Test", "Tone/type/Midi", "Tone/core/Tone",
  });
  it("can convert from Frequency", function(){
  - expect(Midi(Frequency('C4')).valueOf()).to.equal(60);
  + expect(Midi(Frequency("C4")).valueOf()).to.equal(60);
  expect(Midi(Frequency("64n")).valueOf()).to.equal(24);
  expect(Midi(Frequency(64, "n")).valueOf()).to.equal(24);
  });
  @@ -105,6 +104,12 @@ define(["helper/Basic", "Test", "Tone/type/Midi", "Tone/core/Tone",
  expect(Midi("C#0").toMidi()).to.equal(teoria.note("C#0").midi());
  expect(Midi("A-4").toMidi()).to.equal(teoria.note("A-4").midi());
  });
  +
  + it("can convert midi to frequency", function(){
  + expect(Midi(60).toFrequency()).to.equal(teoria.Note.fromMIDI(60).fq());
  + expect(Midi(25).toFrequency()).to.equal(teoria.Note.fromMIDI(25).fq());
  + expect(Midi(108).toFrequency()).to.equal(teoria.Note.fromMIDI(108).fq());
  + });
  });
  context("transpose/harmonize", function(){
  