pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4664-Black_Joak.ps) >>/Users/jc/w/tmp/Tune-4664-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Black_Joak.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_4664.log 920 Log file, useful mostly for debugging
Tune-4664-Black_Joak.abc 1172 ABC music file with the extracted tune(s)
Tune-4664-Black_Joak.ps 33786 PostScript
Tune-4664-Black_Joak.txt 1172 Plain-text file with the extracted tune(s)
Tune-4664-get.log 4413 Log file, useful mostly for debugging
Tune-46643-get.log 3706 Log file, useful mostly for debugging
Tune-46648-2084_the_Brig_o_Balater-001.svg 22292 Scalable Vector Graphics format
Tune-46648-2084_the_Brig_o_Balater.abc 569 ABC music file with the extracted tune(s)
Tune-46648-2084_the_Brig_o_Balater.txt 569 Plain-text file with the extracted tune(s)
Tune-46648-get.log 8669 Log file, useful mostly for debugging
These files should be available for 24 hours.