That anecdote about Itzhak Perlman finishing a concert
with only only three strings after a short pause after
one of the strings on his violin broke is awe-inspiring
and beautiful.

Also, unfortunately, it is almost surely false, and an urban
legend.

Click for Snopes checkup on the story.

Although the incident related is probably not factual, the
lesson to be learned is still true, true, true.

Dave Oesterreich