#704: Added explicit API to stop a Jukebox from playing

src/main/java/org/bukkit/craftbukkit/block/CraftJukebox.java

@@ -77,6 +77,11 @@ public class CraftJukebox extends CraftBlockEntityState<TileEntityJukeBox> imple
         return getHandle().get(BlockJukeBox.HAS_RECORD);
     }
 
+    @Override
+    public void stopPlaying() {
+        getWorld().playEffect(getLocation(), Effect.RECORD_PLAY, Material.AIR);
+    }
+
     @Override
     public boolean eject() {
         requirePlaced();