Echidne of the Snakes offers a rough transcript:
He begins by counting “two, four, half of six”. He then says “good boy Nakke will sing.” He then sings the beginning of a children’s song: Chomp on, chomp on carrots, from carrots…, chomp on chomp on carrots, carrots get…
Before he whistles the Bridge over river Kwai theme he says again “Now Nakke will sing.”
When he finishes, he says “Nacke can!” Then some repeats.
This one is cute too. Nakke dances: