playAudio.swift

guard let path = Bundle.main.path(forResource: "MLK", ofType: "mp3") else {
    return
}
let url = URL(fileURLWithPath: path)

player = AVAudioPlayerNode()

audioEngine.attach(player)

do {
    let audioFile = try AVAudioFile(forReading: url)
    
    audioEngine.connect(player, to: audioEngine.mainMixerNode, format: nil)
    
    player.scheduleFile(audioFile, at: nil, completionHandler: nil)
    
    try audioEngine.start()
    
    player.play()
    
} catch let error {
    print(error)
}