A0, was to repair or not to repair

[John Pasterczyk]

"David, can you name a piece of classical music, in
which A0 is used?  =
I'm only aware of one, and it's rather obscure.
Kevin"

Kevin...

Grieg's Piano Concerto in A Minor, Op. 16 uses A0 in
the opening passage.

John Pasterczyk
PTG Associate