The second Duff commercial is a spoof of a very popular and well-known one for Coca Cola from 1971. The song was titled "I'd Like to Teach the World to Sing (In Perfect Harmony)" and showed people in clothes from different parts of the world and of different ethnicities, races, etc. It even became a hit single by The New Seekers that reached the Top-10 spot in several countries, including America, Japan, and the United Kingdom.