using UnityEngine; public class BackgroundMusic : MonoBehaviour { private static BackgroundMusic backgroundMusic; void Awake() { if(backgroundMusic == null) { backgroundMusic = this; DontDestroyOnLoad(backgroundMusic); } else { Destroy(gameObject); } } // Start is called once before the first execution of Update after the MonoBehaviour is created void Start() { } // Update is called once per frame void Update() { } }