pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5402-MargaretAnnRobertson.ps) >>/Users/jc/w/tmp/Tune-5402-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/waltz/MargaretAnnRobertson.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_54024.log 392315 Log file, useful mostly for debugging
Tune-5402-MargaretAnnRobertson.abc 580 ABC music file with the extracted tune(s)
Tune-5402-MargaretAnnRobertson.ps 36975 PostScript
Tune-5402-MargaretAnnRobertson.txt 580 Plain-text file with the extracted tune(s)
Tune-5402-get.log 4593 Log file, useful mostly for debugging
These files should be available for 24 hours.