Stephen Bacher wrote, responding to Dan Schmidt:

>>...  the cliche of opening a piece with music that sounds like the
>>orchestra tuning up.  I can't remember where I first heard this (a Del
>>Tredici piece, maybe) ...
>
>What about the opening of Beethoven's Ninth?

...which is one of the most impressive and moving openings I've ever heard.

Regards,
Joyce Maier