Michael Cornfield asks in 160129 MMDigest, "Recently I came across
a QRS roll of a song titled 'Am I To Blame'".

That's QRS 2343, according to a response I got from Googling on
<qrs "Am I To Blame">.  What came up was a reference to an expired
eBay item.

Peter Neilson

 [ Thanks to Karl Petersen, Mark Forer and Rick Inzero for sending
 [ similar information about the piano roll at eBay.  -- Robbie