Final answer:
Gershwin's Porgy and Bess is a folk opera that combines classical music with African-American folk music and jazz to tell the story of Porgy and Bess.
Step-by-step explanation:
Gershwin's Porgy and Bess is best described as a folk opera. It combines elements of classical music with African-American folk music and jazz, creating a unique and groundbreaking musical form. The opera tells the story of Porgy, Bess, and the residents of Catfish Row, portraying the struggles and triumphs of the African-American community in Charleston, South Carolina. This genre-defying work has had a lasting impact on American music and continues to be performed and celebrated today.
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