ET/Unity/Assets/Scripts/Loader/MonoBehaviour/Global.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Global : MonoBehaviour
{
    public static Global Instance;

    [SerializeField]
    public AudioClip  bgMusic;
    [SerializeField]
    public AudioClip clickMusic;

    private void Awake()
    {
        Instance = this;
    }
}