False, false beats?

[Susan Kline]

>  I did notice that
>when I played the notes standing up with my body to the curved side of the
>piano and head under the lid the beats were greatly diminished if not
>completely gone.  Going around to the other side of the piano the beats got
>worse.
>
>I'm am clueless as to what may be causing this.  The piano is in the same
>postion it has always been.
>
>Anyone ever encounter something like this?
>
>Doug Mahard

Doug, is there a ceiling fan in the room?

Susan