( Cowboy Bebop ) , `` Yakusoku wa Iranai '' ( Escaflowne ) , `` Gravity '' ( Wolf 's Rain ) , `` Inner Universe '' ( Ghost in the Shell : Stand Alone Complex ) and Stand Alone Complex O.S.T. .
( Cowboy Bebop ) , `` Yakusoku wa Iranai '' ( Escaflowne ) , `` Gravity '' ( Wolf 's Rain ) , and `` Inner Universe '' ( Ghost in the Shell : Stand Alone Complex ) .