pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9561-jigs.ps) >>/Users/jc/w/tmp/Tune-9561-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_95613.log 258439 Log file, useful mostly for debugging
Form_95612.log 721 Log file, useful mostly for debugging
Form_95618.log 724 Log file, useful mostly for debugging
Tune-9561-get.log 4131 Log file, useful mostly for debugging
Tune-9561-jigs.abc 257 ABC music file with the extracted tune(s)
Tune-9561-jigs.ps 34546 PostScript
Tune-9561-jigs.txt 257 Plain-text file with the extracted tune(s)
Tune-95618-get.log 4026 Log file, useful mostly for debugging
These files should be available for 24 hours.