Fabric/サウンドの追加

public class SampleMod {

   public static final Identifier SAMPLE_SOUND_ID = new Identifier(MOD_ID":sample_sound")
   public static SoundEvent SAMPLE_SOUND_EVENT = new SoundEvent(SAMPLE_SOUND_ID);

   @Override
   public void onInitialize(){
        Registry.register(Registry.SOUND_EVENT,                             SampleMod.SAMPLE_SOUND_ID, SAMPLE_SOUND_EVENT);
   } 

}