Opening lockers or crates makes sound now.

Content.Server/GameObjects/Components/Items/Storage/EntityStorageComponent.cs

@@ -9,6 +9,7 @@ using Robust.Shared.Serialization;
 using Robust.Shared.ViewVariables;
 using System.Linq;
 using Content.Server.GameObjects.Components.Items.Storage;
+using Content.Server.GameObjects.Components.Sound;
 using Content.Shared.GameObjects.Components.Storage;
 using Robust.Server.GameObjects;
 
@@ -70,7 +71,12 @@ namespace Content.Server.GameObjects.Components
                     break;
                 }
             }
+
             ModifyComponents();
+            if (Owner.TryGetComponent(out SoundComponent soundComponent))
+            {
+                soundComponent.Play("/Audio/machines/closetclose.ogg");
+            }
         }
 
         private void OpenStorage()
@@ -78,6 +84,10 @@ namespace Content.Server.GameObjects.Components
             Open = true;
             EmptyContents();
             ModifyComponents();
+            if (Owner.TryGetComponent(out SoundComponent soundComponent))
+            {
+                soundComponent.Play("/Audio/machines/closetopen.ogg");
+            }
         }
 
         private void ModifyComponents()

Resources/Prototypes/Entities/buildings/storage/closet_base.yml

@@ -34,6 +34,7 @@
     - type: StorageVisualizer2D
       state_open: generic_open
       state_closed: generic_door
+  - type: Sound
 
   placement:
     snap:

Resources/Prototypes/Entities/buildings/storage/crate_base.yml

@@ -38,3 +38,4 @@
       state_open: crate_open
       state_closed: crate_door
 
+  - type: Sound