Ludwig Van Beethoven, and Wolfgang Amadeus Mozart were two of the most famous composers of the Classical Era in music. Ludwig Van Beethoven, and Wolfgang Amadeus Mozart were two of the most famous composers of the Classical Era in music. Beethoven’s works were composed for quartets, concertos, symphonies, and piano sonatas. Mozart composed operas, solos, and concertos. Beethoven was born in 1770. He lived a difficult childhood and he was often frustrated. He was self-educated and known as one of the best composers of all time. Mozart was born in Austria. He was regarded to be the greatest child prodigy in the world. He was one of the most famous composers to ever walk on this earth, but he still lived a life filled with much unhappiness. Operas were Mozart’s most famous contributions to the classical era. Beethoven’s contribution to the classical era was his new music that was unique and defiant. He also was very famous for he piano sonatas. JOKE: What are Beethoven and Mozart doing in their graves? …………………………..Decomposing.