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Spain has produced a great variety of rock and roll, but the most distinctive style may be flamenco-rock. Flamenco-rock is a fusion of flamenco, the folk music of the Spanish Gypsies, with progressive rock. Some of the most well-known examples of this scene from its 1970s heydey are the bands Smash, Crack, Gotic (Escenes, 1977), Iman Califato Independiente (Iman Califato Independiente), Iceberg (Coses Nostres), Mezquita and Triana.