Cheese, Patty, Bun, and Condiments sing this. Cheese is referred to as "C", Patty as "P", Bun as "B" and Condiments as "O".
C: I'm Cheese!
P: I'm Patty!
B: I'm Bun!
O: And we're the condiments!
All: And we're gonna sing a...
Singity songity sangity song!
B: First you put the bottom bun down,
P: Then me, the Pat-TY!
C: Then cheese, american preferred!
O: And if you want, we'll put pickles, lettuce, onions, mayonnaise, mustard, ketchup, and tomato on it!
B: Then the top bun!
All: And you've got a, You've got a, You've got a...
All (very loud yell): CHEESEBURGER!
(Human then eats it)