>I've always understood that a change in temperature affects the humidity, >hence the problem with the piano changing. Am I wrong? > >Avery Hi Avery, Yes, and no. In the short term, like the cycling of the furnace while you're tuning, it's the temperature. The strings change in length, altering pitch, with temperature changes. This happens very quickly. Dimensional changes in wood from humidity changes (temperature change driven or otherwise), take considerably longer. Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC