pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-383-Grace_Hays_Delight-F-32-3.ps) >>/Users/jc/w/tmp/Tune-383-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/jig/Grace_Hays_Delight-F-32-3.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_3833.log 262336 Log file, useful mostly for debugging
Coll_38345.log 61402 Log file, useful mostly for debugging
Coll_38380.log 52904 Log file, useful mostly for debugging
Find_38331.log 1738 Log file, useful mostly for debugging
Find_38386.log 1651 Log file, useful mostly for debugging
Form_38335.log 919 Log file, useful mostly for debugging
Form_38368.log 899 Log file, useful mostly for debugging
Tune-383-Grace_Hays_Delight-F-32-3.abc 822 ABC music file with the extracted tune(s)
Tune-383-Grace_Hays_Delight-F-32-3.ps 36396 PostScript
Tune-383-Grace_Hays_Delight-F-32-3.txt 822 Plain-text file with the extracted tune(s)
Tune-383-get.log 5324 Log file, useful mostly for debugging
Tune-3830-get.log 0 Log file, useful mostly for debugging
Tune-38301-get.log 4632 Log file, useful mostly for debugging
Tune-3831-get.log 4387 Log file, useful mostly for debugging
Tune-3832-get.log 4274 Log file, useful mostly for debugging
Tune-38324-get.log 91874 Log file, useful mostly for debugging
Tune-38334-get.log 3682 Log file, useful mostly for debugging
Tune-38340-get.log 2977 Log file, useful mostly for debugging
Tune-38342-get.log 3768 Log file, useful mostly for debugging
Tune-38364-get.log 3705 Log file, useful mostly for debugging
Tune-38379-get.log 36863 Log file, useful mostly for debugging
Tune-38398-get.log 3444 Log file, useful mostly for debugging
Tune-38398-tunebook.txt 0 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.