I've already mentioned that my writings not fit for StoriesOnline can be found on AO3. But I'm currently uploading a music album for my previous story Growth Hormonsters. I wrote the lyrics.
https://archiveofourown.org/works/81873496?view_full_work=true
The first four tracks (of 11) are up. More coming soon.
If only SO allowed audio files! (at least, I couldn't find a way to do it)