Louis Armstrong was a jazz legend who was renowned for his trumpet playing and singing. He was born in New Orleans in 1901 and is considered one of the most influential figures in jazz music. He was known for his improvisational style and his ability to create unique sounds with his trumpet. He was also a prolific composer, having written over 500 songs. Armstrong's influence on jazz music is still felt today, and he is remembered as one of the greatest jazz musicians of all time.