pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-52373-they_say_its_wonderful.ps) >>/Users/jc/w/tmp/Tune-52373-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jazz/they_say_its_wonderful.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-52373-JohnTreat_GftF1.abc 151 ABC music file with the extracted tune(s)
Tune-52373-JohnTreat_GftF1.ps 6 PostScript
Tune-52373-JohnTreat_GftF1.txt 151 Plain-text file with the extracted tune(s)
Tune-52373-get.log 8965 Log file, useful mostly for debugging
Tune-52373-they_say_its_wonderful.abc 1430 ABC music file with the extracted tune(s)
Tune-52373-they_say_its_wonderful.ps 42698 PostScript
Tune-52373-they_say_its_wonderful.txt 1430 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.