times. the boston pops is believed to be the most recorded orchestra in history. its mission is to provide audiences with the widest angle of what constitutes good music. this year, they celebrate keith lockhart 30th year at the podium. i am pleased to have him here for the first time. tell me what the boston pops is. keith lockhart: the boston pops is a 130-year-old american artist -- arts institution established to do something no other arts institution did in america, to spread the gospel of symphonic music. it was embedded from the beginning to play for a wider audience. charlie: it has had legendary conductors. keith lockhart: there have been 20 conductors, but only three

>> from our studios in new york city, this is "charlie rose." charlie: you begin with a story from today's news -- two gunmen opened fire at the sight of a prophet mohamed cartoon drawing contest organized by the american freedom defense initiative, a new york-based group that uses the name stopped islamization of america. the shooters, elton simpson, and nadir soofi, were shot after wounding an unarmed officer. it has drawn comparisons to the attack at charlie hebdo earlier this year. gunmen opened fire in response to prophet mohamed cartoons. 12 people were killed. the pen america center will honor charlie hebdo as part of its annual celebration of authors from around the world. this has ignited a controversy