Herbert Birdsfoot: Oh, I can only sing the high part It's the only part I know And when I sing the high part This is how I go: La, la-la-la-la-la-la, la La, la-la-la-la-la-la Ernie: I can only sing the middle It's the only part I know, I know And when I sing the middle part This is how I go: La, la-la-la-la-la-la, la La, la-la-la-la-la-la Bert: I can only sing the low part, low part It's the only part I know, I know And when I sing the low, low part This is how I go (That's beautiful, Bert!) La, la-la-la-la-la, la-la, la-la La, la-la-la-la-la-la Sung by all 3 together: When we put them all together I am sure you will agree, agree The whole sounds better than the parts As you can plainly see La, la-la-la-la-la, la-la, la-la La, la-la-la-la-la-la, la la la la