After a few minutes the lockscreen controls disappear from the lockscreen. Looks like spotify does not keep running in the background. Also the logo disappear from the notification bar. I'm running Android 7 on a HTC One M9.
Thanks for your reports here. We're going to be marking this thread as Not an Issue at the moment. If you're having trouble, we'd suggest a running clean reinstall of Spotify on your device and to make sure you're rocking the latest firmware on you Gramofon.
If you're still having issues, just let us know the following;