Front lid extended during performance

[Ron Nossaman]

>       I recently tuned a concert grand for a visiting well-known
>     pianist.  He insisted that when the grand lid is opened and resting
>     on the long stick, that the -front- lid be closed.  That is, the
>     front lid was extended toward the player with its bass edge resting
>     on the bass end of the piano case.  The rest of the front lid was
>     supported only by its hinges.
> 
> 
> 
>       Have any of you seen a grand lid -intentionally- left open in this
>     configuration?  Does that stress the hinge which connects the front
>     lid with the main lid?

If the hinges can't take this stress, the piano is trash. It's 
a non event, or an indication of a need to upgrade.