American classical music refers to a genre of music that has developed in the United States, blending European classical traditions with unique American influences. It encompasses a wide range of styles and forms, including orchestral works, chamber music, and operas. Notable composers such as Aaron Copland, George Gershwin, and Leonard Bernstein have contributed significantly to this genre, often incorporating elements of jazz, folk, and popular music. The evolution of American classical music can be traced from the early colonial period to the present day, reflecting the diverse cultural landscape of the nation. Institutions like the New York Philharmonic and the Boston Symphony Orchestra have played vital roles in promoting and performing this music, helping to establish a distinct American voice in the classical music world.