Forty-five years of Big Bird, Grover, Oscar the Grouch, and amazing musical moments on "Sesame Street"
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1. Grover and Madeline Kahn echo each other
Here it is, the most charming piece of footage on the planet. Madeline Kahn, the greatest comic actress of the past 500 years, sings an "echo song" called "Sing After Me" with silly old Grover. Just watch. Watch, laugh, and watch again.