Half of the songs off of Slice the Cake's newest album Odyssey to the West do not play at all. I have had no problems with anything else, the songs do not play online or offline (I have the album downloaded). It simply says "can't play the current song".
Here are the links if they help at all:
<iframe src="https://embed.spotify.com/?uri=spotify%3Aalbum%3A1tkxgFrcLiS1yB2kvTlueb" width="300" height="380" frameborder="0" allowtransparency="true"></iframe>