It seems it was a ID3 tag problem. I just edited every music's properties in RhythmBox and change a little thing (to ensure the edit), and the duration popd in.
-- Library mess up the display https://bugs.launchpad.net/bugs/418528 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs