My musician work with a Ketron and the synth past out to old. He want and other Ketron, the problem Ketron work with only Ketron stuff, like Sony tried with is Beta video. Question my buddy work live so he need a synth with all the option to do one man show drumm automation etc.., and with the same synth used it as a controller for studio, the million dollars question? what will be the best machine for him to buy to get both world Thank you