Roland Portable Production Groovebox Produce and perform music anywhere, anytimewithout clutter or complicationsThe Roland MC-101 GROOVEBOX has all the high-quality sounds, sequencing, and effects of the professional MC-707, in a compact four-track version that's go-everywhere portable. Get started with an inspiring collection of ready-to-go sounds and patterns, or easily create your own. Craft a unique style by importing custom sounds and loops that sync to tempo. And you can perform with the MC-101, triggering clips and shaping your sounds with direct, hands-on control. The MC-101 is a professional production tool, sharing the sounds and many of the capabilities of its bigger sibling, the MC-707. And there are advantages in being small. The MC-101 is solid-yet-light and runs for about five hours on four AA batteries, so you can design sounds, create drum patterns, and compose musical phrases just about anywhere. And it's not just a scratch pad for simple ideas. You can produce fully