Cooperation Makes it Happen

Briefly had to pause in the middle of (tele)working to search a tune that randomly came to mind and had me humming:

"Cooperation makes it happen. Cooperation...jakdjajsdkasjdka"

I knew the tune. I knew it was from Sesame Street. But for the life of me, what the hell comes after the second 'cooperation'?

I hit up my BFF, Google, and it led me to my other BFF, YouTube, and found what I was looking for:

Thanks, Internet. You'll forever remain undefeated.