chest and hearing "i'm not lisa" and now every time i hear that song i'm instantly transported back to that time. i think that's what music does and the emphasis of the idea. ask jon about the idea, see if it would work. >> it is remarkable. let's show some of the -- some of the performances. it oftentimes, music is a moment as much as when you have a store that lives in the doors but obviously the performance in the moment signifies where we stand in history. i think this was one of these moments. this was 2009 when aretha franklin performed "my country 'tis of thee" at the inauguration of barack obama. ♪ my country 'tis of thee sweet land of liberty ♪ ♪ of thee i sing