Which composer is known for his symphonies and piano concertos during the Classical period?

Ludwig van Beethoven is indeed known for his symphonies and piano concertos, particularly during the transition between the Classical and Romantic periods. However, his most significant contributions came after the Classical period was well defined. While Beethoven composed nine symphonies and several piano concertos that are highly regarded, the other candidates offer a more direct connection to the Classical period itself.

Wolfgang Amadeus Mozart is particularly notable for his prolific output of symphonies and piano concertos during the Classical period, exemplifying the style's clarity, balance, and form. His works exhibit the typical traits of Classical music, including homophonic texture and structured forms such as sonata-allegro.

Franz Joseph Haydn is often referred to as the "Father of the Symphony" and made significant contributions in both the symphony and string quartet genres during the Classical period. His innovative approach helped define what a symphony could be.

Johann Sebastian Bach, while a pivotal figure in Western music history, was primarily active before the Classical period and is best known for his work in the Baroque style, focusing on forms such as the fugue and various choral works.

The question, therefore, is best answered as Mozart when considering the direct association with