Muse 1.0.1, as it comes with fedora 13 i386.
Both audio and MIDI metronome are totally unreliable.
1) Cuts in and out at random, regardless of whether you have audio, midi or both selected.
2) Pre-count doesn't do anything -- there is no pre-count.
3) The metronome sometimes works in playback mode, but in record mode it seldom works, if ever.