The tango – sultry, complex, with cross-rhythms and off-beats – is the soul of Argentina. It’s descended from all sorts of strange ancestors – the medieval intricacies of the branle and the estampie, the shape of the passacaglia, the classical elegance of the minuet, the wildness and sexual licence of flamenco, the energy of both rejoicing and lament. It was the genius of Piazzola to recognize that this dance-form could be made to represent the whole emotional universe. He wrote tangos about lost love and hot passion, tangos that form musical pictures of every season in the life of his beloved Buenos Aires (El ano porteno), tangos that sound like the most modern jazz,