Wurlitzer roll 1845 has one tune that sounds like a QRS arrangement
to me: tune 2. The rest sound like typical Wurlitzer 65-note APP
drawing board arrangements.  Both sources were often mixed on the
same roll.

Art Reblitz

 [ Tune 1845-2, "We're Gonna Have Weather, Whether Or Not", at
 [ http://www.mmdigest.com/archives/Digests/201207/2012.07.24.02.html 
 [ http://www.mmdigest.com/Gallery/Sounds/APP/unknown01.html 
 [ -- Robbie