what impreses me in Beethoven's music

Have you listened to Beethoven's music? Any of it?

Only you can answer this question, but you have to have listened to several of his works to decide.

http://en.wikipedia.org/wiki/Beethoven
This is a good article on Beethoven, and at the bottom of the webpage, there are links to various recordings of some of his works.

Part way down the page is a Media section; click on each triangle in a circle to listen to three of his most famous works.

To appreciate the impressiveness of Beethoven's music, you can focus on several aspects:

1. Innovation and Originality: Beethoven's compositions pushed the boundaries of musical conventions during his time. His innovative use of harmony, structure, and form revolutionized classical music and paved the way for the Romantic period. His music featured bold and daring ideas that challenged the status quo.

2. Emotional Depth: Beethoven's music is renowned for its emotional intensity. He was able to convey a wide range of emotions, from deep melancholy to transcendent joy, through his compositions. His ability to evoke powerful and raw emotions through the combination of melody, harmony, and dynamics is truly remarkable.

3. Technical Complexity: Beethoven's music is known for its technical challenges. His compositions often require great skill and virtuosity from the performers. From fast and intricate passages to complex counterpoint, his compositions demand mastery of technique, making them impressive to both performers and listeners.

4. Symphony No. 9: Perhaps Beethoven's most famous work is his Symphony No. 9 in D minor, also known as the "Choral Symphony." This symphony features a monumental structure, combining orchestral and vocal forces in the final movement. It is widely regarded as one of the greatest symphonies ever composed, and its powerful and uplifting message of unity and brotherhood continues to resonate with listeners.

To truly grasp the impressiveness of Beethoven's music, it is highly recommended to listen to his compositions, attending live performances if possible. By immersing yourself in the music, paying attention to the intricate details and emotions conveyed, you will truly appreciate the genius of Beethoven and why his music continues to inspire and impress.