pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5670-GlasgowHighlandersS.ps) >>/Users/jc/w/tmp/Tune-5670-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/program/shottish/GlasgowHighlandersS.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_56703.log 135017 Log file, useful mostly for debugging
Coll_56706.log 139858 Log file, useful mostly for debugging
Tune-5670-GlasgowHighlandersS.abc 650 ABC music file with the extracted tune(s)
Tune-5670-GlasgowHighlandersS.ps 37084 PostScript
Tune-5670-GlasgowHighlandersS.txt 650 Plain-text file with the extracted tune(s)
Tune-5670-get.log 5162 Log file, useful mostly for debugging
Tune-56702-get.log 82082 Log file, useful mostly for debugging
These files should be available for 24 hours.