I have troubles to play to my echo dot a spotify track? Album and artist is no problem.
Album is working like this: spotify:user:username:playlist:xxxxxxxxxxxxxx
Artist is working like this: spotify:artist:xxxxxxxxxxxxxxxxx
Is it posible to play with Ha a track on spotify on this way: spotify:track:xxxxxxxxxxxxxx
Actually no errors. After several trial and error, I managed to make it works. The problem is the documentation is lacking example. I have suggested few changes to the documentation. Hopefully it will be approved soon.