pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90260-8101_Mother_Midnight.ps) >>/Users/jc/w/tmp/Tune-90260-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnJohnson/8101_Mother_Midnight.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_90260.log 850 Log file, useful mostly for debugging
Tune-90260-8101_Mother_Midnight.abc 385 ABC music file with the extracted tune(s)
Tune-90260-8101_Mother_Midnight.ps 34343 PostScript
Tune-90260-8101_Mother_Midnight.txt 385 Plain-text file with the extracted tune(s)
Tune-90260-get.log 4737 Log file, useful mostly for debugging
These files should be available for 24 hours.