They started by playing in the streets of Rome, before participating in telecrochet The X Factor. They then won the San Remo and Eurovision contests, becoming a national and then an international sensation, going so far as to be invited to open for the Rolling Stones in Las Vegas. Maneskin is three boys and a girl for an old-fashioned, basic, no-frills rock quartet. At Montreux Jazz, the Italian group stormed the large stage of the Auditorium Stravinski on Tuesday evening as both a sensation and a curiosity.