   public var description: String {
     switch self {
     case .natural: return "Natural"
-    case .bemol: return "Halfstep down"
+    case .flat: return "Halfstep down"
     case .sharp: return "Halfstep up"
     }
   }
 
   public static var all: [NewChordAccidentType] {
-    return [.natural, .bemol, .sharp]
+    return [.natural, .flat, .sharp]
   }
 }
 


public enum NewChordAccidentType: ChordDescription {
  case natural // no accident
  case bemol // halfstep down
  case sharp // halfstep up

  public var notation: String {
    switch self {
    case .natural: return ""
    case .bemol: return "♭"
    case .sharp: return "♯"
    }
  }

}

public struct NewChord: ChordDescription {
  public private(set) var key: NoteType
  public private(set) var type: NewChordType
  public private(set) var inversion: Int

  public init(key: NoteType, type: NewChordType, inversion: Int = 0) {
    self.key = key
    self.type = type
    self.inversion = inversion
  }

  public var notation: String {
