There were quite a few issues along the way. The initial recording technique generated raw audio files, which are not playable by Chrome’s HTML5 audio player.

Google has added a few experimental features to Google Music including the ability to trigger desktop notifications in Chrome, an HTML5 player, and five star rating in place of the thumbs up.

You can now enjoy your Spotify sessions in 24-bit 44.1kHz quality—as long as you're using gear that supports it.