One Question on this technique... I tried it at 
  home using my groovebox drummachine external sequencer... I found it pitched 
  ANY repeater track that was curently selected, NOT only if the pitch button 
  was pressed, as it says in the manual, but all the time??? Am i doing 
  something wrong?
  To clarify whats happening, if I am sending midi 
  on the right channel, it pitches WHATEVER track is currently selected at all 
  times, where I took it to be that it would ONLY pitch a track IF the pitch 
  button was pressed and that track selected... Therfore you cannot 
  actually overdub anything onto a track that you DO NOT want 
  pitched/sequenced... so whassup wiv that???
   
  Mark Red
  __________________
 
  Hi Mark,
   
  The manual gives different midi controller numbers for 
  each repeater track. You have to send the right controller for the track you 
  want to pitch. 
   
  All the best
   
  Per 
Boysen