And that's a short chronology of The Hp Show for the first two years.   
It ran altogether for about seven years with a couple of breaks.

When HP began working together  we each did everthing.  I don't recall 
ever actually talking about rules or systems we should follow.  Rather 
the regular and constant audio improvisations we got involved in on air 
necessitated such an enveloping undestanding of each other's minds, 
abilities, weaknesses and strengths that our off air working system 
was virtually just a slower version of what we did on the air.

Which is not to say that things always went smoothly. I was always at 
some odds to  looking at the show as necessarily being art. Art, of 
itself,  has always been something of questionable value to me. It's 
need to be continually  redefining itself and it's function to suit the 
situation,  it's  encompassing of expression and emotion beyond the  
requirements of searching for truth. to me seemed a bit frivolous.