pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7937-jigs.ps) >>/Users/jc/w/tmp/Tune-7937-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/galouvielle.free.fr/jigs.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
Form_79373.log 820 Log file, useful mostly for debugging
Form_79376.log 830 Log file, useful mostly for debugging
Form_79379.log 824 Log file, useful mostly for debugging
Tune-7937-get.log 4536 Log file, useful mostly for debugging
Tune-7937-jigs.abc 424 ABC music file with the extracted tune(s)
Tune-7937-jigs.ps 37801 PostScript
Tune-7937-jigs.txt 424 Plain-text file with the extracted tune(s)
Tune-79371-get.log 4304 Log file, useful mostly for debugging
Tune-79373-get.log 5399 Log file, useful mostly for debugging
Tune-79376-get.log 2340 Log file, useful mostly for debugging
Tune-79377-b.abc 287 ABC music file with the extracted tune(s)
Tune-79377-b.malt 1227 Musical Instrument Digital Interface, alternate name for midi format
Tune-79377-b.mid 1227 Musical Instrument Digital interface, shortened name for midi format
Tune-79377-b.midi 1227 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-79377-b.txt 287 Plain-text file with the extracted tune(s)
Tune-79377-get.log 3971 Log file, useful mostly for debugging
These files should be available for 24 hours.