I've been wondering this for awhile, does anyone know if there is a plugin that can function similar to the Boss PS-5 Super Shifter? Preferably free of course, but I'm interested if there is anything at all. I know there are pitch shifters, but I'd like to play with something that can create harmonies and do so in a given key like the PS-5. There's all kinds of stompbox plugins, but I haven't seen one of these yet.