Mismatch: X:789 doesn't match requested X:4524
Mismatch: X:4597 doesn't match requested X:4524
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23506-tunebook.ps) >>/Users/jc/w/tmp/Tune-23506-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-23506-get.log 2979972 Log file, useful mostly for debugging
Tune-23506-tunebook.abc 548 ABC music file with the extracted tune(s)
Tune-23506-tunebook.ps 33862 PostScript
Tune-23506-tunebook.txt 548 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.