Play a song via AVAudioPlayer

ViewController.swift

import UIKit
import AVFoundation

var audioPlayer: AVAudioPlayer?

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        getSoundFile()
    }

    
    private func getSoundFile() {
              let sound = Bundle.main.path(forResource: "your file's name", ofType: "your file's extension")
        
        do {
            audioPlayer = try AVAudioPlayer(contentsOf: URL(fileURLWithPath: sound!))
            audioPlayer!.play()
        }
        catch {
            print("error")
        }
    }
}