Please treat all code here as deprecated. This was originally written when coffeescript was still relevant, and before Spotify had sunset its libspotify. Now that Spotify has a web API, this theoretically be feasible once again. However, it deserves to be started over from scratch.
Spotify, in the worst way
$ spot$ git clone git@github.com:markalfred/spot.git
$ cd spot
$ npm install
$ npm link
$ spot