Piano: Difference between revisions

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The history of the piano is closely intertwined with the standardization of [[12edo]] in the West. The development of steel frames with precision machining gave them the necessary capacity to hold the high level of tension (180–300 kN) to remain in tune reliably over time.
The history of the piano is closely intertwined with the standardization of [[12edo]] in the West. The development of steel frames with precision machining gave them the necessary capacity to hold the high level of tension (180–300 kN) to remain in tune reliably over time.


The piano can be used to play microtonal music in a variety of ways. A single piano's strings can be retuned. The strong advantage that this provides for microtonal music is that due to pitch exactness and precision machining, an acoustic piano can also be constructed or rebuilt for essentially arbitrary pitches and tuning systems, satisfying any exact pitch placement that desired.  
The piano can be used to play microtonal music in a variety of ways. A single piano's strings can be retuned. Like other keyboard instruments, the strong advantage that this provides for microtonal music is that due to pitch exactness and precision machining, an acoustic piano can also be constructed or rebuilt for essentially arbitrary pitches and tuning systems, satisfying any exact pitch placement that desired.  


However, large departures from intended tuning, for example, from 12edo ― require changes to string length, gauge, tension, scaling, or even the frame and soundboard, rather than simply retuning the existing strings. A typical piano will only handle about a semitone of retuning before breaking strings becomes an issue. Additionally, excessive string stretching produces a timbre that sounds increasingly inharmonic and  more bell-like.
However, large departures from intended tuning, for example, from 12edo ― require changes to string length, gauge, tension, scaling, or even the frame and soundboard, rather than simply retuning the existing strings. A typical piano will only handle about a semitone of retuning before breaking strings becomes an issue. Additionally, excessive string stretching produces a timbre that sounds increasingly inharmonic and  more bell-like.