He didn't disturb my writing at all. All he did was just said, "Lou, pick out 100 pages. " I said, "You put that together. " But it's for all instruments. In fact the first guy that can buy that book in 4/4 was William Vacchiano, the lead trumpet player with the New York Philharmonic. When I heard that, I said wow, because it was rhythm, ba-dop ba da-dop ba da-dop ba da-dop ba da-dop. That could be played by saxophones, trumpets, trombones. So that book - I still work on that book myself.