Try opening Spotify, then going into the preferences. Select HTTPS proxy, and enter the following.
Host: 83.170.85.155
Port: 3128
Sign out, then sign back in and see if it'll let you use it. If it does, you can turn the proxy off and still be able to use it.
Host: 83.170.85.155
Port: 3128
Sign out, then sign back in and see if it'll let you use it. If it does, you can turn the proxy off and still be able to use it.