It wasn't out a large amount, that being a relative statement. It was out 4-6c at the most. I didn't check A4 specifically, I know, I should have. Humidity, is the culprit here. I also know about the stage lights. They had never left it out so long before. John Ross, Windsor, Nova Scotia On 15-Mar-10, at 11:06 AM, Cy Shuster wrote: > I wouldn't think the small temperature difference would be > significant. The humidity difference is great, but the change > should be fairly slow over the few hours of a concert. I've seen > more sudden effects from temperature change caused by stage lighting. > > Did you measure the effect on, say, the pitch of A4? > > --Cy-- > > Cy Shuster, RPT > Albuquerque, NM > www.shusterpiano.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20100315/296f294b/attachment.htm>
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