You can buy it at the link below with a 15% launch discount, or bundled with COCOON as part of the Soundtrack Edition if you haven't played yet.
Give it a listen, and consider nominating COCOON for Best Soundtrack in the Steam Awards when voting begins tomorrow, November 21st.
Thanks for playing!
https://store.steampowered.com/app/2611030/COCOON__Original_Soundtrack/
https://store.steampowered.com/bundle/35244/COCOON__Soundtrack_Edition/