pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35540-Bonney_Dundee_7.ps) >>/Users/jc/w/tmp/Tune-35540-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Bonney_Dundee_7.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_35540.log 451410 Log file, useful mostly for debugging
Tune-35540-Bonney_Dundee_7.abc 1292 ABC music file with the extracted tune(s)
Tune-35540-Bonney_Dundee_7.ps 34590 PostScript
Tune-35540-Bonney_Dundee_7.txt 1292 Plain-text file with the extracted tune(s)
Tune-35540-get.log 4507 Log file, useful mostly for debugging
These files should be available for 24 hours.