pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9937-IsleOfAigas.ps) >>/Users/jc/w/tmp/Tune-9937-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/IsleOfAigas.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-9937-IsleOfAigas.abc 145 ABC music file with the extracted tune(s)
Tune-9937-IsleOfAigas.ps 30538 PostScript
Tune-9937-IsleOfAigas.txt 145 Plain-text file with the extracted tune(s)
Tune-9937-get.log 4391 Log file, useful mostly for debugging
Tune-99370-NielGowsLamentForTheDeathOfHisBrother.abc 675 ABC music file with the extracted tune(s)
Tune-99370-NielGowsLamentForTheDeathOfHisBrother.pdf 21739 Portable Data Format
Tune-99370-NielGowsLamentForTheDeathOfHisBrother.ps 37908 PostScript
Tune-99370-NielGowsLamentForTheDeathOfHisBrother.txt 675 Plain-text file with the extracted tune(s)
Tune-99370-get.log 14278 Log file, useful mostly for debugging
Tune-99371-get.log 7754 Log file, useful mostly for debugging
Tune-99372-get.log 5317 Log file, useful mostly for debugging
Tune-99374-get.log 9502 Log file, useful mostly for debugging
These files should be available for 24 hours.