The Logic Off Topic list

Clearly its impossible to define, but the guitar has much more 
sonic/emotional nuance, a wider range of tones and volume from 
essentially a single "patch", and the guitar drives a song like nothing 
else.

>As to guitar being more intrinsically rocking than keyboards - I think that
>depends on your definiton of what rocking means.  In the more conventional
>rock genre definition, I think by that very definition it will be.