pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8237-New_Claret_G.ps) >>/Users/jc/w/tmp/Tune-8237-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/slipjig/New_Claret_G.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_8237.log 131917 Log file, useful mostly for debugging
Coll_82372.log 140992 Log file, useful mostly for debugging
Find_82376.log 1435 Log file, useful mostly for debugging
Form_82374.log 826 Log file, useful mostly for debugging
Tune-8237-New_Claret_G.abc 453 ABC music file with the extracted tune(s)
Tune-8237-New_Claret_G.ps 36129 PostScript
Tune-8237-New_Claret_G.txt 453 Plain-text file with the extracted tune(s)
Tune-8237-get.log 4423 Log file, useful mostly for debugging
Tune-82373-get.log 4082 Log file, useful mostly for debugging
Tune-82375-get.log 3215 Log file, useful mostly for debugging
Tune-82379-get.log 3142 Log file, useful mostly for debugging
These files should be available for 24 hours.