You're indeed welcome here. I'll add a new author shortly
About the 4 game musics, can they be stored on AMP (copyright stuff, etc.) ? If so, they lack titles.
Regarding s3m.com, maybe it is possible to retrieve some material by using archive.org. I did and found several versions of this website. There's also _some_ material. What was you nickname on that website ?
Anyway, thanks for dropping by. If you put your hand on your old compositions, send over