pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-85024-AGJ18.ps) >>/Users/jc/w/tmp/Tune-85024-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/AGJ18.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-85024-AGJ18.abc 2230 ABC music file with the extracted tune(s)
Tune-85024-AGJ18.ps 50784 PostScript
Tune-85024-AGJ18.txt 2230 Plain-text file with the extracted tune(s)
Tune-85024-get.log 4326 Log file, useful mostly for debugging
These files should be available for 24 hours.