 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]()

    tuningType:        TuningType.Equal,
    rootSound:         SoundBaseC,
    transpositionNote: SoundBaseC,
    octaveRange:       OctaveRange(start:1, end: 6)
  )
let tuning: [SoundName:Float] = Tuning.generateByInfo(info)
for sound in tuning.keys {

    case UserDefined
}

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