The popular music streaming app Spotify is now available for Windows Phone 8. According to the Windows Phone Blog, it just started rolling out, so it might take some time before it shows up in search. Spotify will be free for the first 30 days. When the trial is over you'll need to sign up for a premium subscription for $9.99 a month. Signing up for a premium subscription will give you full access to the music streaming app. You can download Spotify from the app store.