Comment 1 for bug 9409

(In reply to comment #0)
> If I try to import mp3's into the Rhythmbox library I get the message "There
is no
> plugin installed to handle a mp3 file" for every mp3 file. Then, about 20-30
seconds
> or so later, rhythmbox shuts down without warning.

Do you have gstreamer0.8-mad installed from universe? Ubuntu's rhythmbox needs
that package to be able to play mp3 files.