It doesn't require a Facebook account. I use Spotify and I never sign in with my Facebook account for anything.
edit: I live in the U.S.
edit: I live in the U.S.
edit: thanks for the replies clearing this up.
http://www.zdnet.com/article/spotify-defends-new-facebook-re...
They stopped requiring facebook logins a while back but to be honest it left a bad taste in my mouth. Glad I didn't bother with subscribing.