歌词:
old macdonald had a farm
yi-a-yi-a-o
and on his farm he has a duck
yi-a-yi-a-o
with a quarkquark here
and quarkquark there
here quark there quark
everywhere quarkquark
old macdonald had a farm
yi-a-yi-a-o
and on his farm he has a dog
yi-a-yi-a-o
with a ruffruff here
and ruffruff there
here ruff there ruff
everywhere ruffruff
old macdonald had a farm
yi-a-yi-a-o