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.