pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9161-tunebook.ps) >>/Users/jc/w/tmp/Tune-9161-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
Tune-9161-get.log 2826917 Log file, useful mostly for debugging
Tune-9161-tunebook.abc 1409 ABC music file with the extracted tune(s)
Tune-9161-tunebook.ps 39341 PostScript
Tune-9161-tunebook.txt 1409 Plain-text file with the extracted tune(s)
Tune-91615-get.log 44829 Log file, useful mostly for debugging
Tune-91615-irish_trad_fidd_music.abc 633 ABC music file with the extracted tune(s)
Tune-91615-irish_trad_fidd_music.malt 4414 Musical Instrument Digital Interface, alternate name for midi format
Tune-91615-irish_trad_fidd_music.mid 4414 Musical Instrument Digital interface, shortened name for midi format
Tune-91615-irish_trad_fidd_music.midi 4414 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-91615-irish_trad_fidd_music.txt 633 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.