pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9339-Stow_Fair.ps) >>/Users/jc/w/tmp/Tune-9339-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/LM/Stow_Fair.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_93394.log 1848 Log file, useful mostly for debugging
Tune-9339-Stow_Fair.abc 882 ABC music file with the extracted tune(s)
Tune-9339-Stow_Fair.ps 35195 PostScript
Tune-9339-Stow_Fair.txt 882 Plain-text file with the extracted tune(s)
Tune-9339-get.log 8320 Log file, useful mostly for debugging
Tune-93390-get.log 4382 Log file, useful mostly for debugging
Tune-93397-Trip_to_Plymouth.abc 418 ABC music file with the extracted tune(s)
Tune-93397-Trip_to_Plymouth.pdf 9739 Portable Data Format
Tune-93397-Trip_to_Plymouth.ps 33044 PostScript
Tune-93397-Trip_to_Plymouth.txt 418 Plain-text file with the extracted tune(s)
Tune-93397-get.log 5443 Log file, useful mostly for debugging
Tune-93398-get.log 5379 Log file, useful mostly for debugging
These files should be available for 24 hours.