@EventHandler
	public void onHeldItem(PlayerItemHeldEvent event) {
		Player player = event.getPlayer();
		String uuid = player.getUniqueId().toString();
		ResultSet invswitch = MySQL.onQuery("SELECT player FROM invswitchsound WHERE player = '" + uuid + "'");
		try {
			if(!invswitch.next()) {
			MySQL.onUpdate("INSERT INTO invswitchsound(player, state) VALUES('" + uuid + "', '1')");
			} else {
				ResultSet invswitch1 = MySQL.onQuery("SELECT * FROM invswitchsound WHERE player = '" + uuid + "' AND state = '1'");
				if(invswitch1.next()) {
					player.playSound(player.getLocation(), Sound.BLOCK_NOTE_BLOCK_HAT, 3, 2);
				}
			}
		} catch(SQLException ex) {
			ex.printStackTrace();
		}

	}