pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6554-SellengersRound.ps) >>/Users/jc/w/tmp/Tune-6554-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/SellengersRound.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-6554-SellengersRound.abc 348 ABC music file with the extracted tune(s)
Tune-6554-SellengersRound.ps 33816 PostScript
Tune-6554-SellengersRound.txt 348 Plain-text file with the extracted tune(s)
Tune-6554-get.log 11606 Log file, useful mostly for debugging
Tune-65540-NewNewNothing_PLFD1651_069.abc 319 ABC music file with the extracted tune(s)
Tune-65540-NewNewNothing_PLFD1651_069.pdf 11947 Portable Data Format
Tune-65540-NewNewNothing_PLFD1651_069.ps 32267 PostScript
Tune-65540-NewNewNothing_PLFD1651_069.txt 319 Plain-text file with the extracted tune(s)
Tune-65540-get.log 5808 Log file, useful mostly for debugging
Tune-65547-071_IllMakeYouBeFainToFollowMe.abc 965 ABC music file with the extracted tune(s)
Tune-65547-071_IllMakeYouBeFainToFollowMe.pdf 23993 Portable Data Format
Tune-65547-071_IllMakeYouBeFainToFollowMe.ps 39262 PostScript
Tune-65547-071_IllMakeYouBeFainToFollowMe.txt 965 Plain-text file with the extracted tune(s)
Tune-65547-get.log 6019 Log file, useful mostly for debugging
These files should be available for 24 hours.