>Record loop A >Stack B on top of Loop A >(then press undo) >Back to just Loop A >(then undo again) >Loop A with stack B >Will it do this back and forth thing indefinetly? You got it! It's an undo redo kinda thing. (cough, cough) Respect, Damon Langlois Creative Director Electrix Tel (250) 544-4091 Fax (250) 544-4100 http://www.electrixpro.com