easternht at 9:00 p.m. 8 >> author and former classical musician jonathan rosenberg discusses his new book , "dangerous melodies: classical music in america from the great war through the cold war," which explores politics in music in the first half of the 20th century. mr. rosenberg describes how music can serve as a tool of outreach and xenophobia , depending on the political climate of the era. >> good afternoon. hello, everyone. i am amanda sciandra. on behalf of smithsonian associates, it is my pleasure to welcome you here today for classical music and american foreign relations, the complicated duet. thank you to our members. it is your support that keeps us going all year-round. thank you for going deep into the december before the holidays. it's a pleasure to have you. if you are curious about our membership programs, feel free to talk to me or any of our volunteers. you can also pick up a copy of the magazine if you don't have it already and find us online at smithsonianassociates.org. just as a quick reminder, please take a moment to please silence any mobile devices or your