     ///
     public func addTempoEventAt(tempo bpm: Double, position: AKDuration) {
         if isAVSequencer {
-            print("AVSequencer ERROR ! addTempoEventAt only work if not isAVSequencer ")
+            print("AKSequencer ERROR ! addTempoEventAt only work if not isAVSequencer ")
             return }
 
         let constrainedTempo = min(max(bpm, 10.0), 280.0)

    ///
    public func setLoopInfo(duration: AKDuration, numberOfLoops: Int) {
        if isAVSequencer {
            print("AVSequencer ERROR ! setLoopInfo only work if not isAVSequencer ")

            //nothing yet
        } else {

            if isAVSequencer {
                return Double(avSequencer.rate)
            } else {
                print("AKSequencer ERROR ! rate only work if isAVSequencer ")
                return nil
            }
        }
