pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4344-Hundred_Pipers_PC.ps) >>/Users/jc/w/tmp/Tune-4344-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/jig/Hundred_Pipers_PC.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_43448.log 0 Log file, useful mostly for debugging
Tune-4344-Hundred_Pipers_PC.abc 558 ABC music file with the extracted tune(s)
Tune-4344-Hundred_Pipers_PC.ps 34715 PostScript
Tune-4344-Hundred_Pipers_PC.txt 558 Plain-text file with the extracted tune(s)
Tune-4344-get.log 4802 Log file, useful mostly for debugging
Tune-43440-get.log 10112 Log file, useful mostly for debugging
Tune-43443-get.log 1591338 Log file, useful mostly for debugging
These files should be available for 24 hours.