Disco can save lives
Ken Jeong from the Hangover films and Community, Discos it up to teach how basic knowledge of CPR (Cardiopulmonary resuscitation) or push hard in the middle of the chest to the beat of Stayin' Alive can save lives.
https://www.youtube.com/watch?v=n5hP4DIBCEE
source: American Heart Association, funnyordie.com
Update June 2025: new video link, no longer available on Funny or Die.