[CAUT] "D" with a ghost

[Ron Koval]

<snip>
Rather than muting the open string
section, you might want to try sliding the aliquot bar so that the
aliquot is just a little sharp of the C#6.
<snip>

Or... this might be the perfect opportunity to experiment with some 
Pitchlock couplers - quick, reversable pitch adjustment to the duplex.

Ron Koval
Chicagoland