Script won´t work ^^

[Artyom]

Why won´t this amb work? i´ve tried with different ambs and that works just fine ^^ i´ve tried with both .snt and .ogg but it just don´t seem to work, please help me...
void OnStart ()
{
AddEntityCollideCallback("Player", "kitchen_music", "start_music_dungeon1", true, 1);
}
void start_music_dungeon1(string &in asParent, string &in asChild, int alState)
{
if(alState == 1)
{
StopMusic(3, 1);
PlayMusic("21_amb", true, 0.7, 3, 0, false);
}
}