<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'> I heard back from one source that related that they do the best they can to assure the testing piano "lives" in the same humidity year-round.  It doesn't give us any info at this time about changes...<br><br>They also indicated that it is possible for different groups to end up with (slightly?) different master tunings on the same piano - unrelated to change in humidity and temp - more a reflection of the group effort to make all of the related progressions as smooth as possible.<br><br>Ron Koval  <br> </div></body> </html>