<HTML><HEAD></HEAD> <BODY dir=ltr> <DIV dir=ltr> <DIV style="FONT-FAMILY: 'Calibri'; COLOR: #000000; FONT-SIZE: 12pt"> <DIV>Well Paul, that I know of PianoDisc never has played in stereo.  Supposedly one speaker is 90 degrees out of phase with the other creating a spatial effect or synthesized stereo as some people put it.  There’s only two channels to work with.  One has to be the machine language for the piano “engine” to play the notes on the piano.  That leaves only one channel to pass audio sounds or the “orchestra”.  You can’t have two separate channels with you only have one pair of wires to work with unless you want to increase the cost of things astronomically with multiplexing.</DIV> <DIV> </DIV> <DIV>Lar</DIV> <DIV> </DIV> <DIV> </DIV></DIV></DIV></BODY></HTML>