[https://cdn.modulargrid.net/img/racks/modulargrid_1802754.jpg
I have built the rack up without any real thought to create techno beats what would I need to change as in get rid of and replace
be ruthless if you like..

thanks for the in depth resonce I really appretiate it..I do most of what you have suggested vco/ filter/mixer but looking at your post I think I have problems useing envolopes ! im unsure where to use them and when ? can you advise me cheers