event_user(0);
ok = 1;
if (caster_is_playing(global.currentsong) == 1)
    ok = 0;
if (instance_exists(obj_undynea_chaser))
    ok = 0;
if (instance_exists(obj_undynetrigger_dry))
    ok = 0;
if (ok == 1)
{
    global.currentsong = caster_load("music/core_ambience.ogg");
    caster_loop(global.currentsong, 0.6, 0.9);
}