The sound menu start the applications through GLib's g_app_info_launch(). Maybe clementine can't handle being started from a different environment?
There's another bug in that clementine doesn't show its main window when starting it from the sound menu (or the launcher) for the first time. ** Package changed: indicator-sound (Ubuntu) => clementine (Ubuntu) -- You received this bug notification because you are a member of DX Packages, which is subscribed to indicator-sound in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1312968 Title: Open an App from Indicator doesn't work correctly Status in “clementine” package in Ubuntu: Confirmed Bug description: When I open clementine from the dash the theme and the icons of my gtk theme work. But when I open clementine from the sound menu the gtk theme is broken. Ubuntu 14.04 indicator-sound 12.10.2+14.04.20140401-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/clementine/+bug/1312968/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp