Play Spotify music on your Home Assistant device.
The Home Assistant Spotify Connect add-on allows you to use your device running Home Assistant to play your Spotify music. This add-on uses the Spotify Connect protocol, which makes it show up a device that can be controlled by all the official clients.
For example; Running Home Assistant on a Raspberry Pi with this add-on installed will allow you to play your Spotify music via the Pi. So all you'll have to do is hook up your sound system to the Pi!