pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7507-BettysMaggot_PLFD1695_318.ps) >>/Users/jc/w/tmp/Tune-7507-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/BettysMaggot_PLFD1695_318.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-7507-BettysMaggot_PLFD1695_318.abc 370 ABC music file with the extracted tune(s)
Tune-7507-BettysMaggot_PLFD1695_318.ps 33411 PostScript
Tune-7507-BettysMaggot_PLFD1695_318.txt 370 Plain-text file with the extracted tune(s)
Tune-7507-get.log 4834 Log file, useful mostly for debugging
Tune-75077-FridayNight_PLFD1701_439-001.svg 13774 Scalable Vector Graphics format
Tune-75077-FridayNight_PLFD1701_439.abc 433 ABC music file with the extracted tune(s)
Tune-75077-FridayNight_PLFD1701_439.txt 433 Plain-text file with the extracted tune(s)
Tune-75077-get.log 5677 Log file, useful mostly for debugging
Tune-75079-004_Dairy_Maids.abc 1026 ABC music file with the extracted tune(s)
Tune-75079-004_Dairy_Maids.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-75079-004_Dairy_Maids.ps 34440 PostScript
Tune-75079-004_Dairy_Maids.txt 1026 Plain-text file with the extracted tune(s)
Tune-75079-get.log 5377 Log file, useful mostly for debugging
These files should be available for 24 hours.