pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89931-Wood_Duck_Gm.ps) >>/Users/jc/w/tmp/Tune-89931-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/waltz/Wood_Duck_Gm.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_89931.log 255659 Log file, useful mostly for debugging
Tune-89931-Wood_Duck_Gm.abc 453 ABC music file with the extracted tune(s)
Tune-89931-Wood_Duck_Gm.ps 34759 PostScript
Tune-89931-Wood_Duck_Gm.txt 453 Plain-text file with the extracted tune(s)
Tune-89931-get.log 4130 Log file, useful mostly for debugging
These files should be available for 24 hours.