For the moment it supports only releases from archive.org.
You don’t need anymore additional actions like adding each track one by one or copy-paste embed code — Soundshiva will do all the job for you. All you need just put the link to release page from archive.org in download field.
If you already using archive.org for hosting your releases — simply visit your pages on Soundshiva and see the magic.
Hope we can do more and improve audio player in near future.