pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5211-jigs.ps) >>/Users/jc/w/tmp/Tune-5211-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/rigel.csuchico.edu/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
Sess-52110.log 2029961 Log file, useful mostly for debugging
Tune-5211-get.log 4285 Log file, useful mostly for debugging
Tune-5211-jigs.abc 153 ABC music file with the extracted tune(s)
Tune-5211-jigs.ps 33526 PostScript
Tune-5211-jigs.txt 153 Plain-text file with the extracted tune(s)
Tune-52113-get.log 5456 Log file, useful mostly for debugging
Tune-52115-Pols_Moklinta.abc 525 ABC music file with the extracted tune(s)
Tune-52115-Pols_Moklinta.txt 525 Plain-text file with the extracted tune(s)
Tune-52115-get.log 4624 Log file, useful mostly for debugging
These files should be available for 24 hours.