As the music to Katy Perry’s song “Firework” began, dozens of people in the Nosh at UMSL’s Millennium Student Center jumped to their feet.

As the music to Katy Perry’s song “Firework” began, dozens of people in the Nosh at UMSL’s Millennium Student Center jumped to their feet.
As the music to Katy Perry’s song “Firework” began, dozens of people in the Nosh at UMSL’s Millennium Student Center jumped to their feet.
As the music to Katy Perry’s song “Firework” began, dozens of people in the Nosh at UMSL’s Millennium Student Center jumped to their feet.
Social media manager Valerie Furlong captured video from the two-day event created to immerse area high school students in the joy of singing a cappella music.