Earlier in the month, the writer was at Carnegie Hall for an all-Brahms program by the mighty Emerson Quartet, and he also went to the Manhattan School of Music to attend the final event at the Robert Mann String Quartet Institute, led by the longtime first violinist of the Juilliard Quartet.

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Mr Zygmuntowicz, who has also made instruments for Joshua Bell and the Emerson String Quartet, is rated as one of the best violin-makers alive.

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In classics, it has the great Universal Classics catalog, meaning recordings by artists like Herbert Von Karajan, Maurizio Pollini, the Emerson String Quartet, and other best-in-the-world acts.

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Last week, Mr. Bronfman joined the Emerson String Quartet at New York's Carnegie Hall for an all-Brahms program, and this week he partners with Lorin Maazel and the New York Philharmonic at Avery Fisher Hall in four performances of the composer's Piano Concerto No. 1.

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