pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6643-jigs.ps) >>/Users/jc/w/tmp/Tune-6643-get.log 2>&1" returned status 256
http://abc.sourceforge.net/NMD/nmd/jigs.txt

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_66432.log 63914 Log file, useful mostly for debugging
Coll_66435.log 269559 Log file, useful mostly for debugging
Form_66433.log 739 Log file, useful mostly for debugging
Form_66436.log 774 Log file, useful mostly for debugging
Tune-6643-get.log 9635 Log file, useful mostly for debugging
Tune-6643-jigs.abc 295 ABC music file with the extracted tune(s)
Tune-6643-jigs.ps 35204 PostScript
Tune-6643-jigs.txt 295 Plain-text file with the extracted tune(s)
Tune-66430-get.log 2894 Log file, useful mostly for debugging
Tune-66431-0710-OneLeggedMan.abc 436 ABC music file with the extracted tune(s)
Tune-66431-0710-OneLeggedMan.txt 436 Plain-text file with the extracted tune(s)
Tune-66431-get.log 11467 Log file, useful mostly for debugging
Tune-66433-get.log 3577 Log file, useful mostly for debugging
Tune-66437-get.log 2776 Log file, useful mostly for debugging
These files should be available for 24 hours.