pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4690-PaddyOnTheRailroadReel.ps) >>/Users/jc/w/tmp/Tune-4690-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/PaddyOnTheRailroadReel.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-4690-PaddyOnTheRailroadReel.abc 601 ABC music file with the extracted tune(s)
Tune-4690-PaddyOnTheRailroadReel.ps 37057 PostScript
Tune-4690-PaddyOnTheRailroadReel.txt 601 Plain-text file with the extracted tune(s)
Tune-4690-get.log 10268 Log file, useful mostly for debugging
Tune-46900-get.log 4293 Log file, useful mostly for debugging
Tune-46902-24FavouriteDances_1783_Straight.abc 173 ABC music file with the extracted tune(s)
Tune-46902-24FavouriteDances_1783_Straight.pdf 2217 Portable Data Format
Tune-46902-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-46902-24FavouriteDances_1783_Straight.txt 173 Plain-text file with the extracted tune(s)
Tune-46902-get.log 5523 Log file, useful mostly for debugging
Tune-46905-get.log 10807 Log file, useful mostly for debugging
Tune-46906-get.log 8419 Log file, useful mostly for debugging
Tune-46907-get.log 3408 Log file, useful mostly for debugging
Tune-46908-24CountryDances_1805_Thompson.abc 173 ABC music file with the extracted tune(s)
Tune-46908-24CountryDances_1805_Thompson.txt 173 Plain-text file with the extracted tune(s)
Tune-46908-get.log 3570 Log file, useful mostly for debugging
These files should be available for 24 hours.