pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71640-Hump_My_Lady.ps) >>/Users/jc/w/tmp/Tune-71640-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/OldEnglishCountryDances/Hump_My_Lady.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-71640-Duncan_Davidson_1.abc 585 ABC music file with the extracted tune(s)
Tune-71640-Duncan_Davidson_1.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-71640-Duncan_Davidson_1.ps 35628 PostScript
Tune-71640-Duncan_Davidson_1.txt 585 Plain-text file with the extracted tune(s)
Tune-71640-Hump_My_Lady.abc 477 ABC music file with the extracted tune(s)
Tune-71640-Hump_My_Lady.ps 34966 PostScript
Tune-71640-Hump_My_Lady.txt 477 Plain-text file with the extracted tune(s)
Tune-71640-get.log 23206 Log file, useful mostly for debugging
These files should be available for 24 hours.