pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24706-NewNewNothing_PLFD1651_069.ps) >>/Users/jc/w/tmp/Tune-24706-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/NewNewNothing_PLFD1651_069.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_24706.log 751619 Log file, useful mostly for debugging
Tune-24706-NewNewNothing_PLFD1651_069.abc 319 ABC music file with the extracted tune(s)
Tune-24706-NewNewNothing_PLFD1651_069.ps 32267 PostScript
Tune-24706-NewNewNothing_PLFD1651_069.txt 319 Plain-text file with the extracted tune(s)
Tune-24706-get.log 4875 Log file, useful mostly for debugging
These files should be available for 24 hours.