pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-59413-HighPartOfTheRoad.ps) >>/Users/jc/w/tmp/Tune-59413-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/contra/HighPartOfTheRoad.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_59413.log 483841 Log file, useful mostly for debugging
Tune-59413-HighPartOfTheRoad.abc 1238 ABC music file with the extracted tune(s)
Tune-59413-HighPartOfTheRoad.ps 42038 PostScript
Tune-59413-HighPartOfTheRoad.txt 1238 Plain-text file with the extracted tune(s)
Tune-59413-get.log 5525 Log file, useful mostly for debugging
These files should be available for 24 hours.