pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-66923-053_Trip_to_Portsmouth.ps) >>/Users/jc/w/tmp/Tune-66923-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Straight_Skillern/053_Trip_to_Portsmouth.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_66923.log 836 Log file, useful mostly for debugging
Tune-66923-053_Trip_to_Portsmouth.abc 758 ABC music file with the extracted tune(s)
Tune-66923-053_Trip_to_Portsmouth.ps 33849 PostScript
Tune-66923-053_Trip_to_Portsmouth.txt 758 Plain-text file with the extracted tune(s)
Tune-66923-get.log 4828 Log file, useful mostly for debugging
These files should be available for 24 hours.