What types of music did George Gershwin write what was his most ambitious work?

George Gershwin was known for blending Classical Music with jazz influences, creating a unique sound that appealed to a wide audience. He composed various genres, including orchestral music, musicals, and popular songs. His most ambitious work is often considered "Porgy and Bess," an opera that features a rich tapestry of African American musical styles and tells the story of life in a South Carolina coastal community. Another notable piece is "Rhapsody in Blue," which showcases his innovative fusion of classical and jazz elements.