pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1628-Fryar_and_the_Nun.ps) >>/Users/jc/w/tmp/Tune-1628-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Fryar_and_the_Nun.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-1628-Fryar_and_the_Nun.abc 228 ABC music file with the extracted tune(s)
Tune-1628-Fryar_and_the_Nun.ps 32619 PostScript
Tune-1628-Fryar_and_the_Nun.txt 228 Plain-text file with the extracted tune(s)
Tune-1628-get.log 4606 Log file, useful mostly for debugging
Tune-16289-10671_.abc 50 ABC music file with the extracted tune(s)
Tune-16289-10671_.txt 50 Plain-text file with the extracted tune(s)
Tune-16289-get.log 2930 Log file, useful mostly for debugging
These files should be available for 24 hours.