Ting ding da ding ti ding

Caterpillar: Down down, the cruel king, down down!
Duck: Huh? What king, who cruel?
Caterpillar: He was in my nightmare last night.
Duck: A dream?
Caterpillar: A worst nightmare!
Duck: Does that make it the best dream?
Caterpillar: No, the best nightmare is the worst dream, possibly...
Duck: How about best dreams?
Caterpillar: Hmm... Tubular bells!
Duck: Ha ha ha ha
Caterpillar: Ting ding da ding ti ding!
Duck: Ha ha ha ha
Caterpillar: Ha ha ha ha