<HTML><HEAD> <META charset=US-ASCII http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff"> <DIV>Greetings,</DIV> <DIV> </DIV> <DIV>         What is the difference between relatrive humidity and ambient humidity? Am I even asking the right question? Perhaps I just want to know what relative humidity means.</DIV> <DIV> </DIV> <DIV>         Also, what is the optimal humidity and temperature conditions for pianos?</DIV> <DIV> </DIV> <DIV>Julia Gottshall</DIV> <DIV>Reading, PA</DIV></BODY></HTML>