pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93143-8138_Downies_Humour.ps) >>/Users/jc/w/tmp/Tune-93143-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnJohnson/8138_Downies_Humour.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_93143.log 817 Log file, useful mostly for debugging
Tune-93143-8138_Downies_Humour.abc 360 ABC music file with the extracted tune(s)
Tune-93143-8138_Downies_Humour.ps 33594 PostScript
Tune-93143-8138_Downies_Humour.txt 360 Plain-text file with the extracted tune(s)
Tune-93143-get.log 8200 Log file, useful mostly for debugging
These files should be available for 24 hours.