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His talent caught the attention of a piano tuner who surprised him with an amazing gift - a grand piano.

A piano tuner works by listening to and timing these beats, rather than by being able to "hear" equal temperament intervals precisely.

The piano tuner, Maria Caputo, sat on a rock nearby to tweak the instrument when needed, which was often because of the cold and damp.

One of the most famous examples is: How many piano tuners are there in Chicago?

Because of all the bumping and thumping the Steinway endures, he employs a piano tuner named Arpad Maklary, 51, who visits him regularly in Washington Square Park.