 let SoundBaseAb = "A♭"
 
 class Tuning {
-
-    // FIXME...It seems class variable cannot be defined on Swift?
-    struct Static {
-        static let kMaxOctaveSuffix: Int = 6
-    }
 
     class func generateByInfo(info: TuningInfo) -> [SoundName: Float] {
         var tuning = [SoundName: Float]()

    */
    private class func generateWholePure(tuningPureBase: [SoundName: Float]) -> [SoundName: Float] {
        var tuning = [SoundName: Float]()
        for octave in 1...Static.kMaxOctaveSuffix {
            let tuningForCurrentOctave = self.generateForOctave(octave, tuningBase: tuningPureBase)
            for (soundName, Frequency) in tuningForCurrentOctave {
                tuning[soundName] = Frequency

    case UserDefined
}

// FIXME: enum doesn't work as we need "A1", "B2" as well.
typealias SoundName = String
let SoundBaseA  = "A"
let SoundBaseBb = "B♭"
