pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5093-tunebook.ps) >>/Users/jc/w/tmp/Tune-5093-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/tunebook.org.uk/tunebook.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_5093.log 571189 Log file, useful mostly for debugging
Form_50937.log 1523 Log file, useful mostly for debugging
Form_50939.log 734 Log file, useful mostly for debugging
Tune-5093-get.log 4420 Log file, useful mostly for debugging
Tune-5093-tunebook.abc 485 ABC music file with the extracted tune(s)
Tune-5093-tunebook.ps 36027 PostScript
Tune-5093-tunebook.txt 485 Plain-text file with the extracted tune(s)
Tune-50935-get.log 4776 Log file, useful mostly for debugging
Tune-50937-get.log 8498 Log file, useful mostly for debugging
These files should be available for 24 hours.