Slightly off-topic, but because I love this topic so much: there is a wonderful documentary called Pianomania about a piano tuner ("piano technician", if you will) to the stars. The story centers around a good-natured piano tuner and his seemingly impossible task of translating the pianists' vaguely expressed desires into a well-tuned piano. As the movie illustrates, piano tuning is just as much about timbre as it is about pitch -- perhaps even more so!
As I discovered just now, the whole thing is available on YouTube [https://www.youtube.com/watch?v=TxEcifeMf08, only 1.5 hours, not 3 hours as the video incorrectly suggests].
As I discovered just now, the whole thing is available on YouTube [https://www.youtube.com/watch?v=TxEcifeMf08, only 1.5 hours, not 3 hours as the video incorrectly suggests].