Excellent little thing, I enjoyed this a lot! The music files currently 404 though :(
I'm playing in Safari on MacOS, which does not have .ogg support and thus tries to get .m4a files for the music; I'm assuming this is something the engine automatically does for cross-browser support?
I hadn't actually noticed there was meant to be music until until I reached the full choir, so I checked the in-browser Developer Tools and there are messages appearing in the browser console saying the .m4a files yield a 404:
https://v6p9d9t4.ssl.hwcdn.net/html/287757/media/k...
https://v6p9d9t4.ssl.hwcdn.net/html/287757/media/f...
(etc)
Thank you again! I didn´t know that Safari doesn´t support .ogg, and in Mac I have had only tried with Firefox and Chrome where it plays correctly. I have now tried in Safari and yes, the music is not playing . For the sounds both .ogg and .m4a are there (altough some sound weird in Safari) but because the game was meant to be played online I only put the .ogg files to make the game data as small as possible. I will put the .m4a music files there when I update the game. In the meantime I can suggest you playing in another browser.
Again thank you for playing and for spotting this problem! :)