pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9789-IfAllTheWorldWerePaper.ps) >>/Users/jc/w/tmp/Tune-9789-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/IfAllTheWorldWerePaper.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-9789-IfAllTheWorldWerePaper.abc 269 ABC music file with the extracted tune(s)
Tune-9789-IfAllTheWorldWerePaper.ps 31949 PostScript
Tune-9789-IfAllTheWorldWerePaper.txt 269 Plain-text file with the extracted tune(s)
Tune-9789-get.log 4744 Log file, useful mostly for debugging
Tune-97894-WhirligigThe_PLFD1651_103.abc 387 ABC music file with the extracted tune(s)
Tune-97894-WhirligigThe_PLFD1651_103.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97894-WhirligigThe_PLFD1651_103.ps 33208 PostScript
Tune-97894-WhirligigThe_PLFD1651_103.txt 387 Plain-text file with the extracted tune(s)
Tune-97894-get.log 5641 Log file, useful mostly for debugging
These files should be available for 24 hours.