pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3411-172_Foot_March.ps) >>/Users/jc/w/tmp/Tune-3411-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CTftF/172_Foot_March.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-3411-172_Foot_March.abc 612 ABC music file with the extracted tune(s)
Tune-3411-172_Foot_March.ps 32492 PostScript
Tune-3411-172_Foot_March.txt 612 Plain-text file with the extracted tune(s)
Tune-3411-get.log 4477 Log file, useful mostly for debugging
Tune-34110-get.log 4261 Log file, useful mostly for debugging
Tune-34113-get.log 5519 Log file, useful mostly for debugging
Tune-34115-Gow-CSR-abc1.abc 150 ABC music file with the extracted tune(s)
Tune-34115-Gow-CSR-abc1.ps 6 PostScript
Tune-34115-Gow-CSR-abc1.txt 150 Plain-text file with the extracted tune(s)
Tune-34115-get.log 4010 Log file, useful mostly for debugging
Tune-34117-get.log 4511 Log file, useful mostly for debugging
Tune-34118-get.log 3236 Log file, useful mostly for debugging
Tune-34119-get.log 1407 Log file, useful mostly for debugging
These files should be available for 24 hours.