yes you can use a groove box with pc and a midi keyboard in fact its easier to program the groove box with a midi keyboard since the have little keys its works much like a 8 track sequencer just pick a patch press record if your still looking for a groove box the D2 the new orange one which has all the sounds that the last 2 groove box have. is on sale just about every where this month i live in america and it dropped from 595$ to 200$ some places hve them for 250 or 230 but guitar center has them for 200$ 214$ with tax.