pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4315-HappyToMeetSorryToPart.ps) >>/Users/jc/w/tmp/Tune-4315-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/HappyToMeetSorryToPart.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_43152.log 109172 Log file, useful mostly for debugging
Sess-43158.log 93071436 Log file, useful mostly for debugging
Tune-4315-HappyToMeetSorryToPart.abc 451 ABC music file with the extracted tune(s)
Tune-4315-HappyToMeetSorryToPart.ps 34383 PostScript
Tune-4315-HappyToMeetSorryToPart.txt 451 Plain-text file with the extracted tune(s)
Tune-4315-get.log 4809 Log file, useful mostly for debugging
Tune-43151-get.log 2905 Log file, useful mostly for debugging
Tune-43156-get.log 4526 Log file, useful mostly for debugging
Tune-43159-24CountryDances_1778_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-43159-24CountryDances_1778_Thompson.ps 6 PostScript
Tune-43159-24CountryDances_1778_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-43159-get.log 4390 Log file, useful mostly for debugging
These files should be available for 24 hours.