diff --git a/Assets/Scripts/OCES/Metronome.cs b/Assets/Scripts/OCES/Metronome.cs
index 402d5d8..3c35c9f 100644
--- a/Assets/Scripts/OCES/Metronome.cs
+++ b/Assets/Scripts/OCES/Metronome.cs
@@ -9,23 +9,36 @@ namespace OCES
     /// </summary>
     public class Metronome : MonoBehaviour
     {
-        void Start()
+        void OnEnable()
         {
-            AudioSystem.Instance.OnBeat += u =>
-            {
-                AudioSystem.Instance.Play(52);
-                Debug.Log($"Container {u} is MusicSyncBeat");
-            };
-            AudioSystem.Instance.OnBar += u =>
-            {
-                AudioSystem.Instance.Play(53);
-                Debug.Log($"Container {u} is MusicSyncBar");
-            };
-            AudioSystem.Instance.OnGrid += u =>
-            {
-                AudioSystem.Instance.Play(54);
-                Debug.Log($"Container {u} is MusicSyncGrid");
-            };
+            AudioSystem.Instance.OnBeat += OnBeat;
+            AudioSystem.Instance.OnBar  += OnBar;
+            AudioSystem.Instance.OnGrid += OnGrid;
+        }
+
+        void OnDisable()
+        {
+            AudioSystem.Instance.OnBeat -= OnBeat;
+            AudioSystem.Instance.OnBar  -= OnBar;
+            AudioSystem.Instance.OnGrid -= OnGrid;
+        }
+
+        static void OnBeat(uint containerId)
+        {
+            AudioSystem.Instance.Play(52);
+            Debug.Log($"Container {containerId} is MusicSyncBeat");
+        }
+
+        static void OnBar(uint containerId)
+        {
+            AudioSystem.Instance.Play(53);
+            Debug.Log($"Container {containerId} is MusicSyncBar");
+        }
+
+        static void OnGrid(uint containerId)
+        {
+            AudioSystem.Instance.Play(54);
+            Debug.Log($"Container {containerId} is MusicSyncGrid");
         }
     }
 }