pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79873-_Chore2007.ps) >>/Users/jc/w/tmp/Tune-79873-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/galouvielle.free.fr/_Chore2007.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-79873-_Chore2007.abc 509 ABC music file with the extracted tune(s)
Tune-79873-_Chore2007.ps 32974 PostScript
Tune-79873-_Chore2007.txt 509 Plain-text file with the extracted tune(s)
Tune-79873-get.log 8819 Log file, useful mostly for debugging
These files should be available for 24 hours.