Damián Guttlein is the only person in the world who can tune by ear the bandoneon, a unique instrument that powers the perfectly imperfect sound of tango music. A bandoneon, a type of concertina ...

The tango fuses New World, African, and European dance styles and is accompanied first by violin and harp and later by an accordion-like German import, the bandoneon. It takes hold in the brothels ...