pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13148-hnr5.ps) >>/Users/jc/w/tmp/Tune-13148-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/hnr5.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-13148-get.log 3981 Log file, useful mostly for debugging
Tune-13148-hnr5.abc 353 ABC music file with the extracted tune(s)
Tune-13148-hnr5.ps 37434 PostScript
Tune-13148-hnr5.txt 353 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.