pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54585-083_Kew_Gardens.ps) >>/Users/jc/w/tmp/Tune-54585-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Straight_Skillern/083_Kew_Gardens.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_54585.log 829 Log file, useful mostly for debugging
Tune-54585-083_Kew_Gardens.abc 788 ABC music file with the extracted tune(s)
Tune-54585-083_Kew_Gardens.ps 33982 PostScript
Tune-54585-083_Kew_Gardens.txt 788 Plain-text file with the extracted tune(s)
Tune-54585-get.log 4631 Log file, useful mostly for debugging
These files should be available for 24 hours.