control music, avaudioplayer

I am trying to control background music in my app. when the first vc loads the music begins, the user can switch to the settings menu and toggle music on/off. the issue comes when they return to the initial vc, the music begins again. I can't think of a solid way to stop the music from starting again. Any assistance is appreciated.

//initial view controller

import UIKit

import AVFoundation

var musicPlayer = AVAudioPlayer()

class ViewController: UIViewController {

}

override func viewDidLoad() {

super.viewDidLoad()

do{

musicPlayer = try AVAudioPlayer(contentsOf: URL.init(fileURLWithPath: Bundle.main.path(forResource: "hood", ofType: "mp3")!))

musicPlayer.prepareToPlay()

}

catch{

print(error)

}

musicPlayer.play()

}

//2nd vc, settings vc

import UIKit

import AVFoundation

class Settings_ViewController: UIViewController {

@IBAction func musicSwitch(_ sender: Any) {

if ((sender as AnyObject).isOn != true)

{

musicPlayer.stop()

}