This is actually normal behaviour for mpd on Ubuntu, so I'm not quite sure why it was working for you with previous releases.
https://bugs.launchpad.net/ubuntu/+source/mpd/+bug/469441/comments/1 this comment explains why the problem occurs, and gives a couple of workarounds, I would suggest following the second option (links to http://gmpc.wikia.com/wiki/MPD_INSTALL_USER_SERVICE_UBUNTU). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453492 Title: mpd does not use existing pulseaudio process on Ubuntu 15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mpd/+bug/1453492/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs