mysong = "na";
if (room == room_dw_city_savepoint)
{
    if (global.plot < 100)
    {
        if (scr_sideb_get_phase() > 1)
            instance_destroy();
        else
            mysong = "cyberhouse.ogg";
    }
}
if (room == room_dw_city_spamton_house || room == room_dw_city_spamton_shop_exterior || room == room_dw_city_intro || room == room_dw_city_split)
    mysong = "alley_ambience.ogg";
if (mysong != "na" && !snd_is_playing(global.currentsong[1]))
{
    global.currentsong[0] = snd_init(mysong);
    global.currentsong[1] = mus_loop_ext(global.currentsong[0], 0.8, 0.97);
}