pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5336-Thomas_and_Sally_1.ps) >>/Users/jc/w/tmp/Tune-5336-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Thomas_and_Sally_1.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-5336-Thomas_and_Sally_1.abc 721 ABC music file with the extracted tune(s)
Tune-5336-Thomas_and_Sally_1.ps 38856 PostScript
Tune-5336-Thomas_and_Sally_1.txt 721 Plain-text file with the extracted tune(s)
Tune-5336-get.log 5016 Log file, useful mostly for debugging
Tune-53362-get.log 5056 Log file, useful mostly for debugging
Tune-53363-HillCountryTunes.abc 153 ABC music file with the extracted tune(s)
Tune-53363-HillCountryTunes.txt 153 Plain-text file with the extracted tune(s)
Tune-53363-get.log 3294 Log file, useful mostly for debugging
Tune-53367-get.log 4296 Log file, useful mostly for debugging
These files should be available for 24 hours.