pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4731-scotland.ps) >>/Users/jc/w/tmp/Tune-4731-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/home.quicknet.nl/scotland.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_47314.log 140992 Log file, useful mostly for debugging
Form_47310.log 890 Log file, useful mostly for debugging
Form_47319.log 820 Log file, useful mostly for debugging
Tune-4731-get.log 4261 Log file, useful mostly for debugging
Tune-4731-scotland.abc 116 ABC music file with the extracted tune(s)
Tune-4731-scotland.ps 31927 PostScript
Tune-4731-scotland.txt 116 Plain-text file with the extracted tune(s)
Tune-47310-get.log 1506 Log file, useful mostly for debugging
Tune-47313-SSF_Dance.abc 257 ABC music file with the extracted tune(s)
Tune-47313-SSF_Dance.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-47313-SSF_Dance.ps 34028 PostScript
Tune-47313-SSF_Dance.txt 257 Plain-text file with the extracted tune(s)
Tune-47313-get.log 9153 Log file, useful mostly for debugging
Tune-47315-get.log 4221 Log file, useful mostly for debugging
These files should be available for 24 hours.