pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6732-Aird-v1.ps) >>/Users/jc/w/tmp/Tune-6732-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Aird/Aird-v1.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
Form_67323.log 846 Log file, useful mostly for debugging
Form_67327.log 836 Log file, useful mostly for debugging
Tune-6732-Aird-v1.abc 409 ABC music file with the extracted tune(s)
Tune-6732-Aird-v1.ps 37033 PostScript
Tune-6732-Aird-v1.txt 409 Plain-text file with the extracted tune(s)
Tune-6732-get.log 4158 Log file, useful mostly for debugging
Tune-67321-CBTunes.abc 353 ABC music file with the extracted tune(s)
Tune-67321-CBTunes.malt 1391 Musical Instrument Digital Interface, alternate name for midi format
Tune-67321-CBTunes.mid 1391 Musical Instrument Digital interface, shortened name for midi format
Tune-67321-CBTunes.midi 1391 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-67321-CBTunes.txt 353 Plain-text file with the extracted tune(s)
Tune-67321-get.log 3900 Log file, useful mostly for debugging
These files should be available for 24 hours.