You can do this with the DD20 (and with about any other looper, if you can accept that "<100%" is preset one value) when in delay mode. The SOS mode sucks, anyway, but the delay modes are great (also for looping). Rainer > I'm creating some fading background (feedback<100%). At some > point I want to freeze it (feedback=100%) and play solo over > it. It is important that the solo part must not go into the > loop. After the solo part I want to unfreeze the loop > (feedback<100%) and continue to play with it.