pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1618-691_Ticonderoga.ps) >>/Users/jc/w/tmp/Tune-1618-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1778/Thompson/691_Ticonderoga.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_1618.log 285735 Log file, useful mostly for debugging
Coll_16180.log 287140 Log file, useful mostly for debugging
Coll_16184.log 1346645 Log file, useful mostly for debugging
Coll_16186.log 294165 Log file, useful mostly for debugging
Coll_16189.log 268875 Log file, useful mostly for debugging
Tune-1618-691_Ticonderoga.abc 906 ABC music file with the extracted tune(s)
Tune-1618-691_Ticonderoga.ps 36579 PostScript
Tune-1618-691_Ticonderoga.txt 906 Plain-text file with the extracted tune(s)
Tune-1618-get.log 8217 Log file, useful mostly for debugging
Tune-16180-get.log 5687 Log file, useful mostly for debugging
Tune-16184-get.log 6181 Log file, useful mostly for debugging
These files should be available for 24 hours.