pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-60368-MacDonald_of_the_Isles.ps) >>/Users/jc/w/tmp/Tune-60368-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/Colin_Hume/MacDonald_of_the_Isles.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_60368.log 261969 Log file, useful mostly for debugging
Form_60368.log 835 Log file, useful mostly for debugging
Tune-60368-MacDonald_of_the_Isles.abc 549 ABC music file with the extracted tune(s)
Tune-60368-MacDonald_of_the_Isles.ps 38264 PostScript
Tune-60368-MacDonald_of_the_Isles.txt 549 Plain-text file with the extracted tune(s)
Tune-60368-get.log 4713 Log file, useful mostly for debugging
These files should be available for 24 hours.