if (instance_number(obj_dunes_18_dynamic_music) > 1)
{
    instance_destroy();
    exit;
}
if (instance_exists(obj_audio_fade_helper))
    instance_destroy(obj_audio_fade_helper);
var dynamic_mus = audio_play_sound(mus_dunes_cave_outdoors, 1, 1);
var dynamic_mus_pos = audio_sound_get_track_position(obj_radio.current_song);
audio_sound_set_track_position(dynamic_mus, dynamic_mus_pos);
audio_sound_gain(dynamic_mus, 0, 0);
audio_sound_gain(dynamic_mus, 1, 300);
music_in_battle = false;