The Mozarteum Orchestra and the Vienna Symphony On the 250th anniversary of Mozart's birth, NPR's Fred Child wraps up a week of musical celebrations in Salzburg, Austria.

Usually, when a symphony orchestra plays Mozart, half the musicians retire to the wings for a smoke. ... at full strength it had only 30 members, just about the number that Mozart wrote for.

The Austrian conductor Franz Welser-Möst and the Vienna Philharmonic Orchestra during the New Year’s Concert on Jan. 1, 2013. This year, Welser-Möst has dedicated some 70 percent of the ...