Juozas Rimas wrote:

>Indeed, coughing may spoil a concert recording whatsoever.  I once heard
>a Richter's concert recording of the C major prelude - he plays very
>intimately and several well-placed coughs are enough to make me avoid the
>recording...  I bet there are even worse coughed recordings.

There's that lovely Toscanini live recording of Beethoven's Third:  two
chords, a cough, and a chair falls down.

Walter Meyer