pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4041-AGW08.ps) >>/Users/jc/w/tmp/Tune-4041-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/AGW08.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_40410.log 514754 Log file, useful mostly for debugging
Tune-4041-AGW08.abc 2927 ABC music file with the extracted tune(s)
Tune-4041-AGW08.ps 52217 PostScript
Tune-4041-AGW08.txt 2927 Plain-text file with the extracted tune(s)
Tune-4041-get.log 4322 Log file, useful mostly for debugging
These files should be available for 24 hours.