   var delay: AVAudioUnitDelay!
   var reverb: AVAudioUnitReverb!
   var mixer: AVAudioMixerNode!
-  var samplerPlayer: AVAudioPlayerNode!
-  var players: Array<AVAudioPlayerNode> = []
+  var longShotPlayer: AVAudioPlayerNode!
+  var oneShotPlayers: Array<AVAudioPlayerNode> = []
   var audioFiles: Array<AVAudioFile> = []
   let reverbPresetsStrings: Array<String> = [
     "SmallRoom",

    switch sender.selectedSegmentIndex {
    case 0:
      // OneShot
      if samplerPlayer.playing {
        samplerPlayer.stop()
      }
    case 1:
      // LongShot
      for player in players {
        if player.playing {
          player.stop()
        }

          
          // Sound
          let audioFile: AVAudioFile = audioFiles[slit_index] as AVAudioFile
          let player: AVAudioPlayerNode = oneShotPlayers[slit_index] as AVAudioPlayerNode
          if player.playing {
            player.stop()
          }
