pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4294-obrien.ps) >>/Users/jc/w/tmp/Tune-4294-get.log 2>&1" returned status 256
http://wellington.session.nz/tunebooks/other/obrien.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_42944.log 63104 Log file, useful mostly for debugging
Coll_42945.log 398019 Log file, useful mostly for debugging
Form_42942.log 748 Log file, useful mostly for debugging
Form_42949.log 759 Log file, useful mostly for debugging
Tune-4294-get.log 4487 Log file, useful mostly for debugging
Tune-4294-obrien.abc 381 ABC music file with the extracted tune(s)
Tune-4294-obrien.ps 36408 PostScript
Tune-4294-obrien.txt 381 Plain-text file with the extracted tune(s)
Tune-42943-get.log 4080 Log file, useful mostly for debugging
Tune-42943-mazurka.abc ABC music file with the extracted tune(s)
Tune-42943-mazurka.ps 6 PostScript
Tune-42943-mazurka.txt 160 Plain-text file with the extracted tune(s)
Tune-42946-get.log 2876 Log file, useful mostly for debugging
Tune-42949-3968.abc 186 ABC music file with the extracted tune(s)
Tune-42949-3968.txt 186 Plain-text file with the extracted tune(s)
Tune-42949-get.log 2766 Log file, useful mostly for debugging
These files should be available for 24 hours.