pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2646-313_MrJohnScottsReel.ps) >>/Users/jc/w/tmp/Tune-2646-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Pringle/313_MrJohnScottsReel.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_26463.log 150617 Log file, useful mostly for debugging
Tune-2646-313_MrJohnScottsReel.abc 620 ABC music file with the extracted tune(s)
Tune-2646-313_MrJohnScottsReel.ps 36433 PostScript
Tune-2646-313_MrJohnScottsReel.txt 620 Plain-text file with the extracted tune(s)
Tune-2646-get.log 4669 Log file, useful mostly for debugging
Tune-26462-get.log 4197 Log file, useful mostly for debugging
Tune-26462-march.abc 171 ABC music file with the extracted tune(s)
Tune-26462-march.ps 6 PostScript
Tune-26462-march.txt 171 Plain-text file with the extracted tune(s)
Tune-26467-get.log 4011 Log file, useful mostly for debugging
Tune-26468-get.log 4213 Log file, useful mostly for debugging
These files should be available for 24 hours.