pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-66997-HighRoadToWigton.ps) >>/Users/jc/w/tmp/Tune-66997-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/HighRoadToWigton.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_66997.log 389672 Log file, useful mostly for debugging
Tune-66997-HighRoadToWigton.abc 2158 ABC music file with the extracted tune(s)
Tune-66997-HighRoadToWigton.ps 48026 PostScript
Tune-66997-HighRoadToWigton.txt 2158 Plain-text file with the extracted tune(s)
Tune-66997-get.log 4537 Log file, useful mostly for debugging
These files should be available for 24 hours.