* Beethoven was deaf for the last 25 years of his life. He continued to compose music, even though he could not hear it. He would use a special device called an ear trumpet to help him hear the music in his head.
* Chopin was a piano virtuoso. He was known for his beautiful and expressive playing. He also composed many pieces for the piano, including nocturnes, mazurkas, and polonaises.
* Wagner was a revolutionary composer. He created a new style of opera called music drama. His operas are known for their complex orchestration and their use of leitmotifs.
* Stravinsky was a modernist composer. He experimented with new sounds and rhythms in his music. He is known for his works such as "The Rite of Spring" and "Petrushka."
* The Beatles were one of the most influential bands in history. They helped to popularize rock music and they changed the way people thought about music.
* Michael Jackson was the "King of Pop." He was a singer, songwriter, dancer, and philanthropist. He sold over 400 million records worldwide.
* Madonna is the "Queen of Pop." She is a singer, songwriter, actress, and businesswoman. She has sold over 300 million records worldwide.
* Eminem is one of the most successful rappers of all time. He has sold over 150 million records worldwide.
* Taylor Swift is one of the most popular singers in the world. She has sold over 100 million records worldwide.