The latest updates to libcanberra (0.6-0ubuntu1) and ubuntu-sounds (0.8) fix this issue, in that the controls are no longer disabled and the ubuntu sound theme now appears correctly as a choice of sound theme.
I'm going to file a seperate bug about the window & button sound effects not working.
The latest updates to libcanberra (0.6-0ubuntu1) and ubuntu-sounds (0.8) fix this issue, in that the controls are no longer disabled and the ubuntu sound theme now appears correctly as a choice of sound theme.
I'm going to file a seperate bug about the window & button sound effects not working.