pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9457-index.ps) >>/Users/jc/w/tmp/Tune-9457-get.log 2>&1" returned status 256
http://legacy.themorrisring.org/more/Tunes/abc/index.html

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_94573.log 260559 Log file, useful mostly for debugging
Coll_94575.log 139782 Log file, useful mostly for debugging
Coll_94576.log 434096 Log file, useful mostly for debugging
Coll_94578.log 106383 Log file, useful mostly for debugging
Find_94577.log 1625 Log file, useful mostly for debugging
Form_94573.log 840 Log file, useful mostly for debugging
Tune-9457-get.log 4224 Log file, useful mostly for debugging
Tune-9457-index.abc 256 ABC music file with the extracted tune(s)
Tune-9457-index.ps 34623 PostScript
Tune-9457-index.txt 256 Plain-text file with the extracted tune(s)
Tune-94578-get.log 4030 Log file, useful mostly for debugging
Tune-94579-chas.abc 284 ABC music file with the extracted tune(s)
Tune-94579-chas.txt 284 Plain-text file with the extracted tune(s)
Tune-94579-get.log 5327 Log file, useful mostly for debugging
These files should be available for 24 hours.