The version is 1.0, ES-1(step), (ES-1)step is a program that allows you to hook up a midi keyboard to your computer, and send midi messages to your Korg ES-1 Electribe Sampler. Each midi key (up to 128) controls a 64 step pattern with all the ES-1 parameters. As long as you hold down that key, the pattern will play on the ES-1....