1. National Symphony Orchestra: Christoph Eschenbach conducts the Mozart Requiem, Mahler's "Blumine" and a selection of Schubert Lieder featuring mezzo-soprano Anne Sofie von Otter, the University of Maryland Concert Choir and guest soloists
Where: Kennedy Center Concert Hall, 2700 F St NW
When: 7 p.m. Thursday, 8 p.m. Friday and Saturday;
Info: $10 to $85; 202-467-4600;...