Wow! Now that's creative.  Just curious though.  It looks like it's a bit difficult to access the style control buttons, data dial, and a few other lower keys..., or am I not seeing something in the pic?
Squeak
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GEAR:  Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller).  SOFTWARE:  Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.