Just in case you didn't purchase Adele's critically acclaimed album last year, have no fear. 21 is now available for your streaming pleasure on Spotify. This could have happened in 2011 when the album first came out, but Adele's team wanted Spotify to only make it available to premium customers. Spotify wasn't having it. Things have been resolved though, and now you can listen to Adele 24/7 on the streaming service.