pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5938-Banks_of_Bonnie_Doon_2-G-32-3.ps) >>/Users/jc/w/tmp/Tune-5938-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/waltz/Banks_of_Bonnie_Doon_2-G-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_59389.log 57324 Log file, useful mostly for debugging
Form_5938.log 844 Log file, useful mostly for debugging
Tune-5938-Banks_of_Bonnie_Doon_2-G-32-3.abc 444 ABC music file with the extracted tune(s)
Tune-5938-Banks_of_Bonnie_Doon_2-G-32-3.ps 34372 PostScript
Tune-5938-Banks_of_Bonnie_Doon_2-G-32-3.txt 444 Plain-text file with the extracted tune(s)
Tune-5938-get.log 4892 Log file, useful mostly for debugging
Tune-59381-get.log 2981 Log file, useful mostly for debugging
Tune-59382-get.log 4086 Log file, useful mostly for debugging
Tune-59387-Book21.abc 533 ABC music file with the extracted tune(s)
Tune-59387-Book21.malt 2768 Musical Instrument Digital Interface, alternate name for midi format
Tune-59387-Book21.mid 2768 Musical Instrument Digital interface, shortened name for midi format
Tune-59387-Book21.midi 2768 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-59387-Book21.txt 533 Plain-text file with the extracted tune(s)
Tune-59387-get.log 7625 Log file, useful mostly for debugging
Tune-59388-get.log 3284 Log file, useful mostly for debugging
These files should be available for 24 hours.