That's right ! I'm releasing the soundtrack's demo on bandcamp. It will come to youtube... whenever I think of making the video.

https://kpwu.bandcamp.com/album/lober-kline-udsiufa-kjqae

the soundtrack is priced at 1€. While the final game will be free (!), the soundtrack(s) will not be, though my albums are always priced at 1€, so it's not too bad.