Почему звука нет

[Samual]

Почему звука при введении команды нет

package merlin.seriousmodssthefe;

import net.minecraft.command.CommandBase;
import net.minecraft.command.ICommandSender;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.util.ResourceLocation;



public class CommandPlayMedium extends CommandBase {
    
    public static final String NAME = "playMedium";
            public static final String USAGE = "/playMedium";
 
    @Override
    public String getCommandName() {
      
        return this.NAME;
    }

    @Override
    public String getCommandUsage(ICommandSender commandSender) {
      
        return this.USAGE;
    }
    public ResourceLocation getRecordResource(String name) {
        return new ResourceLocation("ssthefe:" + name);
    }
    @Override
    public void processCommand(ICommandSender ics, String[] args) {
        if (ics instanceof EntityPlayerMP) {
            EntityPlayerMP player = (EntityPlayerMP)ics;
            player.playSound("ssthefe:medium", 1.5F, 1.5F);
        }
    }
    
            }