pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7819-Blaydon_Races.ps) >>/Users/jc/w/tmp/Tune-7819-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/program/Blaydon_Races.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
Tune-7819-Blaydon_Races.abc 1055 ABC music file with the extracted tune(s)
Tune-7819-Blaydon_Races.ps 40318 PostScript
Tune-7819-Blaydon_Races.txt 1055 Plain-text file with the extracted tune(s)
Tune-7819-get.log 4668 Log file, useful mostly for debugging
Tune-78190-get.log 0 Log file, useful mostly for debugging
Tune-78193-get.log 4099 Log file, useful mostly for debugging
Tune-78194-get.log 0 Log file, useful mostly for debugging
Tune-78195-5574.abc 445 ABC music file with the extracted tune(s)
Tune-78195-5574.malt 1812 Musical Instrument Digital Interface, alternate name for midi format
Tune-78195-5574.mid 1812 Musical Instrument Digital interface, shortened name for midi format
Tune-78195-5574.midi 1812 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-78195-5574.txt 445 Plain-text file with the extracted tune(s)
Tune-78195-get.log 8871 Log file, useful mostly for debugging
Tune-78196-get.log 9414 Log file, useful mostly for debugging
These files should be available for 24 hours.