Add musicDiscItem Method to ItemModelProvider

src/main/java/net/neoforged/neoforge/client/model/generators/ItemModelProvider.java

@@ -51,6 +51,16 @@ public ItemModelBuilder spawnEggItem(ResourceLocation item) {
                 .parent(new ModelFile.UncheckedModelFile("item/template_spawn_egg"));
     }
 
+    public ItemModelBuilder musicDiscItem(Item item) {
+        return musicDiscItem(Objects.requireNonNull(BuiltInRegistries.ITEM.getKey(item)));
+    }
+
+    public ItemModelBuilder musicDiscItem(ResourceLocation item) {
+        return getBuilder(item.toString())
+                .parent(new ModelFile.UncheckedModelFile("item/template_music_disc"))
+                .texture("layer0", ResourceLocation.fromNamespaceAndPath(item.getNamespace(), "item/" + item.getPath()));
+    }
+
     public ItemModelBuilder simpleBlockItem(Block block) {
         return simpleBlockItem(Objects.requireNonNull(BuiltInRegistries.BLOCK.getKey(block)));
     }

tests/src/generated/resources/assets/minecraft/models/item/music_disc_13.json

@@ -0,0 +1,6 @@
+{
+  "parent": "minecraft:item/template_music_disc",
+  "textures": {
+    "layer0": "minecraft:item/music_disc_13"
+  }
+}

tests/src/main/java/net/neoforged/neoforge/oldtest/client/model/CustomItemDisplayContextTest.java

@@ -173,6 +173,8 @@ protected void registerModels() {
 
             spawnEggItem(Items.SHEEP_SPAWN_EGG);
 
+            musicDiscItem(Items.MUSIC_DISC_13);
+
             simpleBlockItem(Blocks.ACACIA_PLANKS);
         }
     }