What kind of music was Aaron Copland famous for?

American composer Aaron Copland was best known for his works inspired by American folk idioms and jazz rhythms during the mid-20th century. His compositions reflected American spirit and landscapes, making him one of the leading composers of modern classical music in the United States. Some of his well-known compositions include "Appalachian Spring," "Billy the Kid," "Rodeo," and "Fanfare for the Common Man." He often incorporated elements of vernacular music while striving to create an authentically American style in classical music. His contributions helped shape classical music in the United States while gaining international recognition and influencing other composers.