[Dixielandjazz] Is it Jazz? was Brubeck

[pat ladd]

 Lets call them Jazz A and Jazz B>>

Hi Larry,
I think that is a pretty neat explanation and no real argument against it 
occurs to me.   I was already composing my reply by comparing a great work 
of art to an indistinguishable copy but you beat me to the punch.

One question which emerges is `how slightly does my Jazz B copy 
improvisation have to differ from the original Jazz A to become Jazz A in 
its own right?

Cheers

Pat