pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8771-ChansonspourElisabeth.ps) >>/Users/jc/w/tmp/Tune-8771-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/galouvielle.free.fr/vendredi/ChansonspourElisabeth.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
Form_87710.log 778 Log file, useful mostly for debugging
Form_87713.log 765 Log file, useful mostly for debugging
Tune-8771-ChansonspourElisabeth.abc 705 ABC music file with the extracted tune(s)
Tune-8771-ChansonspourElisabeth.ps 37879 PostScript
Tune-8771-ChansonspourElisabeth.txt 705 Plain-text file with the extracted tune(s)
Tune-8771-get.log 4741 Log file, useful mostly for debugging
Tune-87710-get.log 1636 Log file, useful mostly for debugging
Tune-87716-JonesJ.abc 597 ABC music file with the extracted tune(s)
Tune-87716-JonesJ.ps 37965 PostScript
Tune-87716-JonesJ.txt 597 Plain-text file with the extracted tune(s)
Tune-87716-get.log 38792 Log file, useful mostly for debugging
These files should be available for 24 hours.