16 programmable pads for easy access to instruments and sounds, while there are pause / play and slider controls to adjust the volume and tailor transitions to your liking. And, just like the regular typing cover, it's backlit, so you'll be able to mix on the fly at any late-night sonic soiree. There is one downside, however: the Music Cover only works with the Surface 2, Surface Pro and Surface Pro 2, so original RT owners need not apply.
Engadget: http://www.engadget.com/2013/09/23/micr ... d=rss_semi
http://www.youtube.com/watch?v=oK6Hs-qHh84