Click green flag. To get the music, go to Sounds (where you can edit everything) and right-click all of them. Then click export. For non-Windows users... uhm... idk.
It took me so so so so so so long for me to find this. Plz heart and star for more stuff like this. Hope this helps and please add credit to me in whatever you create! Give meh feedback too so that I can improve stuff.