Here is a tentative schedule for the 06-07 season.
The rehearsal times for the orchestras are as follows;
Cornell Symphony Orchestra
Monday    630-815 pm   in Bailey Hall
Wednesday  700-900 pm   in B20 of Lincoln Hall
Cornell Chamber Orchestra
Tuesday   445-615 pm   in Barnes Hall
Thursday   445-645 pm   in Barnes Hall
The concert dates for 2006-2007 season are
Cornell Symphony Orchestra
Sunday 3 pm, October 1, 2006  in Bailey Hall [joint concert with CCO] 
Saturday 8 pm, October 21, 2006   First Family Weekend concert in Bailey Hall 
Thursday 8 pm, October 26, 2006   Inauguration concert for Bailey Hall 
Sunday 3 pm, December 3, 2006   in Bailey Hall 
January 9-16, 2007     Tour to Berlin Germany 
Sunday 3 pm, March 4, 2007   in Bailey Hall, with Cornell Concerto Winner
Sunday 3 pm, April 29, 2007    in Bailey Hall 
Cornell Chamber Orchestra
Sunday 3 pm, October 1, 2006  in Bailey Hall [joint concert with CSO]
Thursday 1230 pm, October 19, 2006  Midday concert in B20
Saturday 8 pm, November 11, 2006   in Barnes Hall
Sunday 3 pm, November 12, 2006   concert at Smith College with Malcolm Bilson
Friday 8 pm, December 1, 2006   concert in Rochester, NY
Sunday 3 pm, February 25, 2007   in Barnes Hall, with Annette Richards and David Yearsley and Richard Faria
Monday 8 pm, March 12, 2007     in Barnes Hall, Music of Gideon Klein with Brave New Works and guests
Sunday 3 pm, April 22, 2007    in Barnes Hall, with Gabriela and Roberto Diaz
Dates and venues are subject to change.  For the latest info please visit our websites;
CSO
http://www.arts.cornell.edu/orchestra
CCO
http://www.arts.cornell.edu/orchestra/ccohome.htm
Orchestra Blog
http://www.cornell-orchestra.blogspot.com/