When adding new items to Amarok in Ubuntu 9.04 the items do not want to play and Amarok only loops threw the whole playlist and no sound is heard.

Follow the steps below in order to solve the problem

STEP 1

Remove GStreamer ffmepeg video pluginGStreamer extra plugins and Movie Player (GStreamer) via Add/Remove  (Applications ->  Add/Remove)

STEP 2

Open a new Terminal session and type in the following command to install phonon-backend-xine: sudo apt-get install phonon-backend-xine

STEP 3

Enter you’re password and hit enter. Now phonon-backend-xine should be installed.

STEP 4

Open Amarok and the mp3 files should play.