Cock a doodle doo"Cock a Doodle Doo" is an English nursery rhyme.LyricsThe most common modern version is:OriginsThe first two lines were used to mock the cockerel's "crow". The first full version recorded was in Mother Goose's Melody, published in London around 1765. By the mid-nineteenth century, when it was collected by James [Orchard Halliwell], it was very popular and three additional verses, perhaps more recent in origin, had been added: