pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-44712-CornishSquireThe_PLFD1696_352.ps) >>/Users/jc/w/tmp/Tune-44712-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/CornishSquireThe_PLFD1696_352.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-44712-CornishSquireThe_PLFD1696_352.abc 420 ABC music file with the extracted tune(s)
Tune-44712-CornishSquireThe_PLFD1696_352.ps 33881 PostScript
Tune-44712-CornishSquireThe_PLFD1696_352.txt 420 Plain-text file with the extracted tune(s)
Tune-44712-DissemblingLove_PLFD1651_021.abc 390 ABC music file with the extracted tune(s)
Tune-44712-DissemblingLove_PLFD1651_021.ps 32756 PostScript
Tune-44712-DissemblingLove_PLFD1651_021.txt 390 Plain-text file with the extracted tune(s)
Tune-44712-get.log 10544 Log file, useful mostly for debugging
These files should be available for 24 hours.