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 ...

An order was added to the tuning ritual, with each "family" of instruments taking its turn to tune with the oboe. When a fixed-pitch instrument, such as an organ, was included with the orchestra ...

Tuners must also have an intimate dialogue with the instrument – talking to it through playing the keys and listening to figure out which strings need tweaking. These skills take years to ...