USB MIDI Production, from Start to Finish Introducing the Alesis V61 MKII, a 61-key USB MIDI keyboard and music production controller. Theres also a sustain pedal input for truly expressive control. Plug in the V61 MKII, and instantly turn your PC or Mac into a full-featured music production studio. Creative Control The V61 MKII has the in-demand features that producers and creators need from a USB MIDI keyboard. ;You can also control your DAW and software instruments without ever taking your hands off the V61 MKII 4 assignable knobs can be MIDI-mapped to your most important software functions. Production Software Bundle The Alesis V61 MKII comes with an MPC Beats music production software bundle to start creating right out of the box. MPC Beats is the fully featured, beat-making software based on the legendary MPC workflow to quickly make great sounding beats.