Implemented as much audio as I could given the drafts/snippets of audio I've been given by Andrew

Assets/Scripts/MusicScript.cs

@@ -0,0 +1,24 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class MusicScript : MonoBehaviour
+{
+    private AudioSource audioSource;
+    private void Awake()
+    {
+        DontDestroyOnLoad(transform.gameObject);
+        audioSource = GetComponent<AudioSource>();
+    }
+ 
+    public void PlayMusic()
+    {
+        if (audioSource.isPlaying) return;
+        audioSource.Play();
+    }
+ 
+    public void StopMusic()
+    {
+        audioSource.Stop();
+    }
+}