Mismatch: X:3518 doesn't match requested X:3521
Mismatch: X:3519 doesn't match requested X:3521
Mismatch: X:3520 doesn't match requested X:3521
Mismatch: X:3522 doesn't match requested X:3521
Mismatch: X:3523 doesn't match requested X:3521
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5944-c.ps) >>/Users/jc/w/tmp/Tune-5944-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/c.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-5944-c.abc 376 ABC music file with the extracted tune(s)
Tune-5944-c.ps 35013 PostScript
Tune-5944-c.txt 376 Plain-text file with the extracted tune(s)
Tune-5944-get.log 279286 Log file, useful mostly for debugging
These files should be available for 24 hours.