Who composed "Twelve Variations on 'Ah vous dirai-je, Maman'?"

The composition "Twelve Variations on 'Ah vous dirai-je, Maman'" is attributed to Wolfgang Amadeus Mozart. This piece is based on a French folk song that is better known in English as "Twinkle, Twinkle, Little Star." Mozart's variations showcase his exceptional ability to take a simple, well-known melody and transform it into a work of great complexity and beauty, illustrating his talent for variation and thematic development.

By composing this set of variations, Mozart demonstrates his understanding of musical form and his creative expression. Each variation presents the original theme in a new light, incorporating various stylistic elements and techniques that highlight Mozart's unique voice as a composer. The work is celebrated not only for its technical merit but also for its lyrical charm and playful character, which are hallmarks of Mozart's style.

The other composers listed are known for significant works in their own right but did not compose this particular piece. Thus, Mozart stands out as the correct answer due to his direct authorship of the variations.