pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4163-72ndsFarewellToAberdeen.ps) >>/Users/jc/w/tmp/Tune-4163-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/72ndsFarewellToAberdeen.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-4163-72ndsFarewellToAberdeen.abc 495 ABC music file with the extracted tune(s)
Tune-4163-72ndsFarewellToAberdeen.ps 34377 PostScript
Tune-4163-72ndsFarewellToAberdeen.txt 495 Plain-text file with the extracted tune(s)
Tune-4163-get.log 8310 Log file, useful mostly for debugging
Tune-41630-Kerr_MM2-V2.abc 146 ABC music file with the extracted tune(s)
Tune-41630-Kerr_MM2-V2.pdf 2217 Portable Data Format
Tune-41630-Kerr_MM2-V2.ps 6 PostScript
Tune-41630-Kerr_MM2-V2.txt 146 Plain-text file with the extracted tune(s)
Tune-41630-get.log 8551 Log file, useful mostly for debugging
Tune-41631-get.log 4786 Log file, useful mostly for debugging
Tune-41632-get.log 5913 Log file, useful mostly for debugging
Tune-41635-get.log 4439 Log file, useful mostly for debugging
Tune-41636-get.log 5167 Log file, useful mostly for debugging
Tune-41637-get.log 3078 Log file, useful mostly for debugging
Tune-41638-get.log 3376 Log file, useful mostly for debugging
Tune-41639-342_MisColquhounsReel.abc 632 ABC music file with the extracted tune(s)
Tune-41639-342_MisColquhounsReel.ps 36091 PostScript
Tune-41639-342_MisColquhounsReel.txt 632 Plain-text file with the extracted tune(s)
Tune-41639-get.log 8609 Log file, useful mostly for debugging
These files should be available for 24 hours.