Make sure to install the appropriate codecs, available in kubuntu-restricted-extras package (ubuntu restricted-extras if you use phonon-backend-gstreamer, but we recommend the use of the phonon-backend-xine for Amarok to have better results).
Make sure to install the appropriate codecs, available in kubuntu- restricted- extras package (ubuntu restricted-extras if you use phonon- backend- gstreamer, but we recommend the use of the phonon-backend-xine for Amarok to have better results).