XCODE I tried to add music to my app that I'm trying to make, I added the code below but there's no sound coming from the simulator, help please~! : I'm trying to add loop music to my App. The Simulator runs, but there's no music coming out. Help Please, Thanks.

import AVFoundation

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        var audioPlayer = AVAudioPlayer()
        
        func startAudio() {
            let filePath = Bundle.main.path(forResource: "backsong", ofType: "mp3")
            let fileURL = NSURL.fileURL(withPath: filePath!)
            do {
                audioPlayer = try AVAudioPlayer.init(contentsOf: fileURL, fileTypeHint: AVFileType.mp3.rawValue)
                audioPlayer.numberOfLoops = -1
                audioPlayer.volume = 1
            } catch {
                self.present(UIAlertController.init(title: "Error", message: "Error Message", preferredStyle: .alert), animated: true, completion: nil)
            }
            audioPlayer.play()