Living Free NYC Big City, Small Pockets, No Problem! 
When:Monday December 21, 2009
Time:6:00 pm
WhereSolomon R. Guggenheim Museum
1071 Fifth Avenue (at 89th Street)
New York, NY 10128-0173
Cost:Free
From the site:
Celebrate the season with the joyous sound of holiday music in the museum’s Frank Lloyd Wright–designed rotunda. George Steel conducts the Vox Vocal Ensemble and the Graham Ashton Brass Ensemble in what has become a revered annual tradition.