Josh Groban to appear Thursday, September 18 Yo-Yo Ma to appear Friday, September 19 Two night concert extravaganza planned as follow-up to the phenomenal success of 2006's Chris Botti Live with Orchestra & Special Guests PBS Special/DVD The best-selling chart-topping American jazz trumpeter and composer Chris Botti will join Keith Lockhart and the Boston Pops on stage at Boston's historic Symphony Hall for two extraordinary concerts on Thursday, September 18 and Friday, September 19 at 7:30pm (both nights).   read more »