The duo of cellist David Finckel and pianist Wu Han played Haydn and Prokofiev.
Though he's spent much of his life on stage, virtuoso cellist Yo-Yo Ma still gets the jitters before he plays.
A young violinist, 'cellist or flutist has to study for some time before he can produce a tone of good musical quality on his instrument.
Mechanical instruments will no more drive the good pianist or violinist or 'cellist out of his profession than the public library, as many once feared, will drive the bookseller out of business.
There was opportunity, however, for ensemble work with a good violinist and 'cellist.