The document outlines key composers of the Classical period, including Franz Joseph Haydn, Wolfgang Amadeus Mozart, and Ludwig van Beethoven. It highlights their contributions, unique characteristics, and notable works, emphasizing their lasting impact on classical music. Haydn is known as the 'father of the symphony', Mozart as a child prodigy with over 700 works, and Beethoven as a pivotal figure bridging the Classical and Romantic eras despite his deafness.