I am currently rebuilding, for my own entertainment, an Artrio Angelus
84-note push up player.  Having heard all the horror stories about them
I wasn't very interested until this came along.

Most of the job seems straight forward with the exception of the
stack.  At this time it is completely disassembled, including the
removal of the pouch pneumatics from the board, which, I might add,
went very smoothly!

My question is, what material has been used by other folks to replace
the original leather -- leather, striker cloth, Bilon, Schultz cloth
-- and what were the results?

Thanks for your input,
Jon Perry