Mismatch: X:10368 doesn't match requested X:10367
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78884-m.ps) >>/Users/jc/w/tmp/Tune-78884-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/m.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-78884-get.log 351158 Log file, useful mostly for debugging
Tune-78884-m.abc 444 ABC music file with the extracted tune(s)
Tune-78884-m.ps 35863 PostScript
Tune-78884-m.txt 444 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.