pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9487-LiltingBansheeEtAl.ps) >>/Users/jc/w/tmp/Tune-9487-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/contrib/Tunes/LiltingBansheeEtAl.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_94870.log 819 Log file, useful mostly for debugging
Form_94874.log 827 Log file, useful mostly for debugging
Tune-9487-LiltingBansheeEtAl.abc 0 ABC music file with the extracted tune(s)
Tune-9487-LiltingBansheeEtAl.ps 6 PostScript
Tune-9487-LiltingBansheeEtAl.txt 0 Plain-text file with the extracted tune(s)
Tune-9487-get.log 4496 Log file, useful mostly for debugging
Tune-94870-get.log 3361 Log file, useful mostly for debugging
Tune-94871-MM1-V1.abc 379 ABC music file with the extracted tune(s)
Tune-94871-MM1-V1.malt 1462 Musical Instrument Digital Interface, alternate name for midi format
Tune-94871-MM1-V1.mid 1462 Musical Instrument Digital interface, shortened name for midi format
Tune-94871-MM1-V1.midi 1462 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-94871-MM1-V1.txt 379 Plain-text file with the extracted tune(s)
Tune-94871-get.log 3622 Log file, useful mostly for debugging
Tune-94873-get.log 4546 Log file, useful mostly for debugging
Tune-94874-Flirtation_Hornpipe-Am-32-3.abc 780 ABC music file with the extracted tune(s)
Tune-94874-Flirtation_Hornpipe-Am-32-3.txt 780 Plain-text file with the extracted tune(s)
Tune-94874-get.log 4342 Log file, useful mostly for debugging
Tune-94877-get.log 17647 Log file, useful mostly for debugging
These files should be available for 24 hours.