Cancelling audio before starting new audio

Question

I almost have a working radio, where the player can walk up to it, press a button and cycle through songs. Everything works except for that with each button press the new song will play but the original will continue to play underneath it. For each new song that is played a new object is created but they are all called 'One Shot Audio,' so I don't know how to destroy them. If I can fix this bug then this should be a useful radio script for anyone who wants to use it. Here's the script attached to the player, thanks!:

 void OnTriggerEnter2D(Collider2D target){
         if (target.gameObject.tag == "radio") {
             radioEnter = true;
         }
 }
 void OnTriggerExit2D(Collider2D target){
         if (target.gameObject.tag == "radio") {
             radioEnter = false;
         }
     }
 
 public void radioUse(){
         if ((Input.GetKeyDown (KeyCode.M)) && song3on == true && radioEnter == true) {
             AudioSource.PlayClipAtPoint (song1, transform.position);
             song1on = true;
             song2on = false;
             song3on = false;
         }
         else if ((Input.GetKeyDown (KeyCode.M)) && song1on == true && radioEnter == true) {
             AudioSource.PlayClipAtPoint (song2, transform.position);
             song1on = false;
             song2on = true;
             song3on = false;
         }
         else if ((Input.GetKeyDown (KeyCode.M)) && song2on == true && radioEnter == true) {
             AudioSource.PlayClipAtPoint (song3, transform.position);
             song1on = false;
             song2on = false;
             song3on = true;
         }
     }
 public void Update(){
 raidoUse();
 }

Answer 1

Here it is, working well in completion:

       public bool song1on = false, song2on = false, song3on = true;
      public bool radioEnter = false;
      
      AudioSource output;
      public AudioClip[] songs;
      int songIndex = 0;
      
      void OnTriggerEnter2D(Collider2D target){
      
      if (target.gameObject.tag == “radio”) {
      radioEnter = true;
      }
      }
      
          void OnTriggerStay2D(Collider2D target){
      
      if (target.gameObject.tag == “radio”) {
      radioEnter = true;
      }
      }
      void OnTriggerExit2D(Collider2D target){
      if (target.gameObject.tag == “radio”) {
      radioEnter = false;
      }
      }
      
      public void radioUse(){
      if ((Input.GetKeyDown (KeyCode.E)) && song3on == true && radioEnter == true) {
      TurnOn ();
      song1on = true;
      song2on = false;
      song3on = false;
      }
      else if ((Input.GetKeyDown (KeyCode.E)) && song1on == true && radioEnter == true) {
      TurnOff ();
      song1on = false;
      song2on = true;
      song3on = false;
      TurnOn();
      }
      else if ((Input.GetKeyDown (KeyCode.E)) && song2on == true && radioEnter == true) {
      TurnOff ();
      song1on = false;
      song2on = false;
      song3on = true;
      TurnOn ();
      }
      }
      
      private void Start()
      {
      output = gameObject.AddComponent<AudioSource>();
      }
      
      public void ToggleSong(){
      songIndex++;
      output.clip = songs[songIndex % songs.Length];
      output.Play();
      }
      
      public void TurnOn(){
 
 ToggleSong(); }
 
      public void TurnOff(){
      output.Stop();
      }
      
      private void Update()
      {
      radioUse ();
      }

Cancelling audio before starting new audio

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