The melody can be traced back in 1740 being a pastoral song and it took several years before the lyrics was incorporated.
There were speculations that the original rendition was picked up by Mozart when he was staying in France in 1778.
There are three prominent children's songs that were created out of it. These are the “Alphabet Song,” “Twinkle, Twinkle, Little Star,” and “Baa, Baa, Black Sheep" which are so popular to kids even on our generation today.
“Ah! vous dirai-je, maman” because of its joyful and vibrant beat not to mention being a masterpiece of Mozart has undeniably landed its own place in the musical history.
To read more about the history of this popular song, click here: https://galaxymusicnotes.com/pages/melody-of-ah-vous-dirai-je-maman