---------------------- multipart/alternative attachment Hello Clyde, This summer in my area we had so much rain, I didn't have to water my lawn the whole summer. Even with a DC system I saw some pianos pitch go slightly sharp. However, many pianos without the system were at A447. Also, It's a good idea in institutions to put the backcovers on them. The pianos are usually in the middle of the room with the soundboard more exposed that a private home with the piano up against a wall. Hope you feel better. Bob Russell, RPT ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/71/df/92/19/attachment.htm ---------------------- multipart/alternative attachment--
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