pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-971-jigs.ps) >>/Users/jc/w/tmp/Tune-971-get.log 2>&1" returned status 256
http://music.gordfisch.net/montrealsession/assets/abc/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
Coll_97114.log 64724 Log file, useful mostly for debugging
Coll_97115.log 254919 Log file, useful mostly for debugging
Coll_97116.log 896301 Log file, useful mostly for debugging
Coll_97119.log 65534 Log file, useful mostly for debugging
Coll_97120.log 346701 Log file, useful mostly for debugging
Coll_97126.log 257739 Log file, useful mostly for debugging
Coll_97144.log 68504 Log file, useful mostly for debugging
Coll_97159.log 345556 Log file, useful mostly for debugging
Coll_97167.log 68504 Log file, useful mostly for debugging
Coll_97181.log 254919 Log file, useful mostly for debugging
Coll_97194.log 65534 Log file, useful mostly for debugging
Form_97170.log 767 Log file, useful mostly for debugging
Tune-971-get.log 4161 Log file, useful mostly for debugging
Tune-971-jigs.abc 342 ABC music file with the extracted tune(s)
Tune-971-jigs.ps 34655 PostScript
Tune-971-jigs.txt 342 Plain-text file with the extracted tune(s)
Tune-97105-get.log 1424 Log file, useful mostly for debugging
Tune-97108-Bert_Ferguson_RJ-G-32-2.abc 473 ABC music file with the extracted tune(s)
Tune-97108-Bert_Ferguson_RJ-G-32-2.ps 34918 PostScript
Tune-97108-Bert_Ferguson_RJ-G-32-2.txt 473 Plain-text file with the extracted tune(s)
Tune-97108-get.log 4526 Log file, useful mostly for debugging
Tune-97135-get.log 2842 Log file, useful mostly for debugging
Tune-97147-get.log 3929 Log file, useful mostly for debugging
Tune-97149-get.log 4426 Log file, useful mostly for debugging
Tune-97183-get.log 3283 Log file, useful mostly for debugging
Tune-97197-get.log 4080 Log file, useful mostly for debugging
Tune-97199-get.log 3014 Log file, useful mostly for debugging
Tune-97199-s.abc 282 ABC music file with the extracted tune(s)
Tune-97199-s.txt 282 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.