The Children’s Hospital at Dartmouth-Hitchcock produced a heartwarming video with medical staff members and patients dancing and lip syncing to the tune of Katy Perry’s “Roar.”

The video is full of tender moments showcasing through the song’s lyrics the strength, endurance, and perseverance each patient has. Doctors and nurses shared the spotlight with administrative employees in unison for the video.

Watch it now down below! Warning: You will need a tissue.