if (global.plot >= 250)
{
    if (!snd_is_playing_ch1(global.currentsong[1]))
    {
        global.currentsong[0] = snd_init_ch1("town.ogg");
        global.currentsong[1] = mus_loop_ext_ch1(global.currentsong[0], 0.8, 0.97);
    }
}