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A rock opera is a musical work that combines the elements of rock music and opera, typically telling a story through a combination of music, lyrics, and theatrical performances. It often features a narrative structure with characters, plot development, and dramatic themes, similar to traditional opera, but with a contemporary rock music sound. Rock operas can range in style from classical opera influences to more modern and experimental approaches, and have been popularized by artists such as The Who, Pink Floyd, and The Who.