src/main/java/cz/jzitnik/game/core/sound/SoundKey.java

@@ -11,4 +11,6 @@ public enum SoundKey {
 
     HURT,
     HIT,
+
+    SAND_DIG
 }

src/main/java/cz/jzitnik/game/core/sound/registry/SandDigSound.java

@@ -0,0 +1,13 @@
+package cz.jzitnik.game.core.sound.registry;
+
+import cz.jzitnik.game.annotations.SoundRegistry;
+import cz.jzitnik.game.core.sound.SoundKey;
+
+@SoundRegistry(key = SoundKey.SAND_DIG, resourceLocation = {
+        "sand/dig1.ogg",
+        "sand/dig2.ogg",
+        "sand/dig3.ogg",
+        "sand/dig4.ogg"
+})
+public class SandDigSound {
+}

src/main/java/cz/jzitnik/game/entities/items/registry/blocks/blocks/SandBlock.java

@@ -3,11 +3,16 @@ package cz.jzitnik.game.entities.items.registry.blocks.blocks;
 import cz.jzitnik.game.SpriteLoader;
 import cz.jzitnik.game.annotations.BlockRegistry;
 import cz.jzitnik.game.annotations.FallingBlock;
+import cz.jzitnik.game.annotations.MineSound;
+import cz.jzitnik.game.annotations.PlaceSound;
+import cz.jzitnik.game.core.sound.SoundKey;
 import cz.jzitnik.game.entities.Block;
 import cz.jzitnik.game.entities.items.ItemType;
 
 import java.util.ArrayList;
 
+@MineSound(SoundKey.SAND_DIG)
+@PlaceSound(SoundKey.SAND_DIG)
 @FallingBlock
 @BlockRegistry("sand")
 public class SandBlock extends Block {