pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8608-KingsJigThe_PLFD1679_229.ps) >>/Users/jc/w/tmp/Tune-8608-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/KingsJigThe_PLFD1679_229.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-8608-KingsJigThe_PLFD1679_229.abc 749 ABC music file with the extracted tune(s)
Tune-8608-KingsJigThe_PLFD1679_229.ps 36824 PostScript
Tune-8608-KingsJigThe_PLFD1679_229.txt 749 Plain-text file with the extracted tune(s)
Tune-8608-get.log 5434 Log file, useful mostly for debugging
Tune-86083-1794_Preston.abc 20278 ABC music file with the extracted tune(s)
Tune-86083-1794_Preston.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-86083-1794_Preston.ps 121346 PostScript
Tune-86083-1794_Preston.txt 20278 Plain-text file with the extracted tune(s)
Tune-86083-get.log 17845 Log file, useful mostly for debugging
These files should be available for 24 hours.