pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3895-Margaret_Ann_Robertson.ps) >>/Users/jc/w/tmp/Tune-3895-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/Margaret_Ann_Robertson.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_38954.log 68443 Log file, useful mostly for debugging
Coll_38959.log 289451 Log file, useful mostly for debugging
Tune-3895-Margaret_Ann_Robertson.abc 816 ABC music file with the extracted tune(s)
Tune-3895-Margaret_Ann_Robertson.ps 38868 PostScript
Tune-3895-Margaret_Ann_Robertson.txt 816 Plain-text file with the extracted tune(s)
Tune-3895-get.log 4761 Log file, useful mostly for debugging
These files should be available for 24 hours.