Final answer:
On 'Take Your Daughter to Work Day' in 'The Office,' Michael and Dwight sing 'Teach Your Children' by Crosby, Stills, Nash & Young to the kids at Dunder-Mifflin.
Step-by-step explanation:
During Dunder-Mifflin's Take Your Daughter to Work Day on the U.S. television show The Office, Michael Scott and Dwight Schrute sing 'Teach Your Children' by Crosby, Stills, Nash & Young to the children present in the office. This event occurs in Season 2, Episode 18 titled 'Take Your Daughter to Work Day'.
The performance is memorable within the series for its awkwardness and is part of the show's consistent use of humor to depict the unusual office environment of Dunder-Mifflin.