Beethoven's works are always rooted in the reality of his life. In reality, he bears all the pains, enjoys every happiness and shows it in his works. From 1796 to 1800, Beethoven's ear disease began to affect him more and more deeply. His ears are ringing all day long, as if his internal organs are suffering, and his hearing is getting worse and worse. He kept silent about his ear disease until 180 1, and he confided sadly to his friend Dr. Wegele, "My noblest part, my hearing, has greatly declined. When we are together, I feel that many diseases are hidden from me; But it's getting worse ... will it recover? I certainly hope so, but the hope is slim; There is no cure for this disease. I have to live a miserable life and avoid all the people I love, especially in this poor and selfish world! ..... "We can easily see his deep sadness from these words, but he needs joy so much. When there is no joy, he creates joy! In this way, at 180 1, he fell in love. Although he keeps falling in love and dreaming of happiness, happiness is always disillusioned in the end, which makes him fall into painful suffering, but he still falls in love again and again. Moonlight Sonata is his psychological experience of this love. He created this work and dedicated it to his then lover, Mrs. Kelly Aitai. It is in this complicated painful experience and intense inner contradictions and conflicts, and in the expectation and disappointment of love, this great work was born.
1800 is the mature period of Beethoven's thought and creation. He learned about the French Revolution and got in touch with its music. At this time, his creative style has abandoned the old rigid rules and regulations in early sonatas, pursued lofty ideals and new expression techniques, perfected form and profound content, and emphasized that form is subordinate to content. Moonlight Sonata is also the best example of the aesthetic thought that form obeys content. It is based on this aesthetic thought that he made bold innovations in sonatas and became his most important contribution in the history of music. For example, it broke the old sonata form of three movements: fast-slow-fast. In this piece of music, the first movement is not Allegro, but a continuous adagio. All its musical forms have become ways to express sincere feelings and dramatic conflicts, which are full of realistic psychological descriptions.