         
         albumTitleLabel.font = .systemFontOfSize(15.0, weight: UIFontWeightThin)
         albumTitleLabel.textAlignment = .Center
-        
-        volumeSlider.minimumValue = 0.0
-        volumeSlider.maximumValue = 1.0
-        volumeSlider.value = AVAudioSession.sharedInstance().outputVolume
-        volumeSlider.addTarget(self, action: "adjustVolume:", forControlEvents: .ValueChanged)
         
         self.updateCurrentTrack()
         

    private let nextTrackButton = UIButton(type: .Custom)
    private let prevTrackButton = UIButton(type: .Custom)
    private let musPickerButton = UIButton(type: .Custom)
    private let volumeSlider = UISlider()
    
    private var verticalConstraints: [NSLayoutConstraint] = []
    private var horizontalConstraints: [NSLayoutConstraint] = []

        musicPickerViewController.allowsPickingMultipleItems = true
        self.presentViewController(musicPickerViewController, animated: true, completion: nil)
    }

}

