On Sat, Mar 16, 2013 at 06:23:09PM +0000, Fons Adriaensen wrote:
  Zita-mu1 is a simple Jack client used to organise
stereo monitoring
 during recording and mixing. More here:
 <http://kokkinizita.linuxaudio.org/linuxaudio/zita-mu1-doc/quickguide.html>
 and download from
 <http://kokkinizita.linuxaudio.org/linuxaudio/downloads/zita-mu1-0.2.0.tar.bz2>
Very useful, thanks.
John