Something

#include <core>
#include <console>
#include <string>
#include <admin>
#include <adminlib>

#define MAX_SOUNDS 6


new PL_VERSION[MAX_DATA_LENGTH] = "0.1";


public plugin_connect(HLUserName, UserIndex, i) 
{
	
	new soundlist[MAX_SOUNDS][MAX_DATA_LENGTH] = 
	{ 
			"Half-Life01",
			"Half-Life02",
			"Half-Life04",
			"Half-Life12",
			"Half-Life13",
			"Half-Life17"
	};

   	i = random(MAX_SOUNDS);
        execclient(index,"mp3 play media/%s",soundlist[i]);
	return PLUGIN_CONTINUE;
}
  


public plugin_init()
{
        plugin_registerinfo("LoadingSound","play",PL_VERSION);
        return PLUGIN_CONTINUE;
}