pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16010-JacobHallsJig_PLFD1695_326.ps) >>/Users/jc/w/tmp/Tune-16010-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/JacobHallsJig_PLFD1695_326.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-16010-JacobHallsJig_PLFD1695_326.abc 561 ABC music file with the extracted tune(s)
Tune-16010-JacobHallsJig_PLFD1695_326.ps 35291 PostScript
Tune-16010-JacobHallsJig_PLFD1695_326.txt 561 Plain-text file with the extracted tune(s)
Tune-16010-get.log 11085 Log file, useful mostly for debugging
These files should be available for 24 hours.