album, arriving at 2001's Jessico, which received international acclaim as one of the first truly outstanding albums of the new millennium. Other underground groups started making noise at this time: Iguana Lovers, they founded the Sonic movement in Buenos Aires in 1990, El Otro Yo, Catupecu Machu, and Santos Inocentes, leaders-to-be of the early 2000s alternative rock scene in Argentina. Super Ratones's returned to the alternative charts with 2001's Grammy nominee Mancha Registrada. In heavy metal, Hermética disbanded by 1995 giving rise to Almafuerte. With a more up-to-date sound, they were one of the late 1990s favorites along with A.N.I.M.A.L. Rata Blanca continued to perform and record intermittently touring countries around Latin America. Classic metalists O'Connor in the underground would emerge by the early 2000s, along with exponents of nu metal Cabezones and Carajo. One of the most critically acclaimed bands of present is Los Natas. Originally a stoner rock group, in subsequent albums the band has turned more experimental. Some have called this demiurgic style (infused with Argentine folk, psychedelia, and space rock) "Patagonian doom", and this brand of metal has been ranked with the best heard in the new millennium. The band itself prefers to call it "free" rock. In punk, Attaque 77 were still going strong, as did Fun People (including a European tour), until their disbanding in 2000. The punk underground of the late 1990s was buzzing with new bands (Cadena Perpetua, Expulsados), many of them to guide the early 2000s melodic punk scene (Smitten (band), Shaila). In tropical or fusion rock, Bersuit Vergarabat rose to the zenith of the genre. Libertinaje (1998) catapulted the band to the top, and to tours of the Americas and Europe. The follow-up Hijos del Culo (2000) also went double-platinum. Both albums display a dizzying range in style versatility. From the side of reggae-rock Los Pericos and Los Cafres dominated. Ska had Los Calzones and Kapanga, but by 2000 Los Fabulosos Cadillacs had called it quits to their internationally renowned career of rock with ska, rap, reggae, and Latin. La Mosca and Dancing Mood reached achieved greater popularity. Illya Kuryaki and the Valderramas produced some catchy, original, and danceable music (a mix of rock, hip-hop, and Latin) which cemented their fan base all over the Americas, until the duo's separation in 2001. A highly talented and promising band was Karamelo Santo, another contribution of the city of Mendoza (also home