™ Layout   US Patent #6444888 Modal Computer Keyboard Format for Control of Musical Instruments (MCKFCMI) Ad Introduction to Basic Concept Technical Abstract and Summary Background of Prior Art Description and Examples of Preferred Embodiment Market Strategy and Deployment D e a n   V a n D r u f f 1 4 2 2 0   P i k e   R o a d ,     S a r a t o g a ,   C A     9 5 0 7 0 4 0 8 . 8 6 7 . 0 3 5 7 e m a i l :   h t t p : / / w w w . v a n d r u f f d e s i g n . c o m / m u s i k e y s