pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86003-LadiesOfLondon_PLFD1688_297.ps) >>/Users/jc/w/tmp/Tune-86003-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/LadiesOfLondon_PLFD1688_297.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-86003-LadiesOfLondon_PLFD1688_297.abc 380 ABC music file with the extracted tune(s)
Tune-86003-LadiesOfLondon_PLFD1688_297.ps 33689 PostScript
Tune-86003-LadiesOfLondon_PLFD1688_297.txt 380 Plain-text file with the extracted tune(s)
Tune-86003-RowWellYeMarriners.abc 250 ABC music file with the extracted tune(s)
Tune-86003-RowWellYeMarriners.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-86003-RowWellYeMarriners.ps 32865 PostScript
Tune-86003-RowWellYeMarriners.txt 250 Plain-text file with the extracted tune(s)
Tune-86003-get.log 10352 Log file, useful mostly for debugging
These files should be available for 24 hours.