Popnography
Watch: Tegan & Sara Perform 'I Was A Fool' With a High School Choir
Watch: Tegan & Sara Perform 'I Was A Fool' With a High School Choir
![Tegan-and-sara-release-i-was-a-fool_0](https://www.out.com/media-library/tegan-and-sara-release-i-was-a-fool-0.jpg?id=32800785&width=1200&height=710)
The duo was joined by high school choir to perform the track on Conan
September 19 2014 11:45 AM EST
February 05 2015 9:27 PM EST