Mike Raiford wrote:

> I'm watching How It's Made, specifically the segment on how how player 
> piano rolls are made. Looking at the roll, it suddenly clicks. It looks 
> EXACTLY like the piano roll interface used in most music editing 
> applications. Literally, the representation had been around since player 
> pianos have been around. Epiphanies are so fun...

Hehe. Nice. ;-)

I once saw a fairground organ that was controlled by - well not a *roll* 
exactly, but rather a series of metal sheets, hinged together like the 
old tractor-feed paper. Each sheet had a series of holes punched in it. 
Since an organ is a pnumatic instrument anyway, you just gotta line the 
holes up with the pipes. Sounded pretty nice...

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