pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9342-hnr1.ps) >>/Users/jc/w/tmp/Tune-9342-get.log 2>&1" returned status 256
http://jjaquier.free.fr/midifiles/abc/abc/hnr1.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
Coll_9342.log 251489 Log file, useful mostly for debugging
Coll_93425.log 0 Log file, useful mostly for debugging
Coll_93429.log 272339 Log file, useful mostly for debugging
Form_93427.log 1458 Log file, useful mostly for debugging
Tune-9342-get.log 8191 Log file, useful mostly for debugging
Tune-9342-hnr1.abc 0 ABC music file with the extracted tune(s)
Tune-9342-hnr1.ps 0 PostScript
Tune-9342-hnr1.txt 0 Plain-text file with the extracted tune(s)
Tune-93421-get.log 0 Log file, useful mostly for debugging
Tune-93423-get.log 3582 Log file, useful mostly for debugging
Tune-93424-get.log 10133 Log file, useful mostly for debugging
Tune-93428-get.log 5062 Log file, useful mostly for debugging
These files should be available for 24 hours.