Watch VoirFilms. Chart-topping jazz trumpeter Chris Botti and special guests performed two star-studded concerts at the historic Boston Symphony Hall with Keith Lockhart and the Boston Pops on September 18 and 19, 2008. Special guests include Josh Groban, Yo-Yo Me, John Mayer, Katharine McPhee, Lucia Micarelli, Sting and Steven Tyler.