pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9490-ClachanJig.ps) >>/Users/jc/w/tmp/Tune-9490-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/ClachanJig.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_94901.log 66344 Log file, useful mostly for debugging
Tune-9490-ClachanJig.abc 463 ABC music file with the extracted tune(s)
Tune-9490-ClachanJig.ps 34647 PostScript
Tune-9490-ClachanJig.txt 463 Plain-text file with the extracted tune(s)
Tune-9490-get.log 5556 Log file, useful mostly for debugging
Tune-94900-2014NEFFA.abc 409 ABC music file with the extracted tune(s)
Tune-94900-2014NEFFA.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-94900-2014NEFFA.ps 34216 PostScript
Tune-94900-2014NEFFA.txt 409 Plain-text file with the extracted tune(s)
Tune-94900-get.log 481274 Log file, useful mostly for debugging
Tune-94903-get.log 4864 Log file, useful mostly for debugging
Tune-94904-get.log 4577 Log file, useful mostly for debugging
Tune-94908-get.log 6328 Log file, useful mostly for debugging
These files should be available for 24 hours.