pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23736-LimerickLassJig.ps) >>/Users/jc/w/tmp/Tune-23736-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/LimerickLassJig.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-23736-LimerickLassJig.abc 448 ABC music file with the extracted tune(s)
Tune-23736-LimerickLassJig.ps 33751 PostScript
Tune-23736-LimerickLassJig.txt 448 Plain-text file with the extracted tune(s)
Tune-23736-WilliamShepherdsCollections.abc 166 ABC music file with the extracted tune(s)
Tune-23736-WilliamShepherdsCollections.ps 6 PostScript
Tune-23736-WilliamShepherdsCollections.txt 166 Plain-text file with the extracted tune(s)
Tune-23736-get.log 9129 Log file, useful mostly for debugging
These files should be available for 24 hours.