pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14374-3192_an_Honorable_Peace.ps) >>/Users/jc/w/tmp/Tune-14374-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3192_an_Honorable_Peace.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_14374.log 247801 Log file, useful mostly for debugging
Tune-14374-3192_an_Honorable_Peace.abc 707 ABC music file with the extracted tune(s)
Tune-14374-3192_an_Honorable_Peace.ps 37169 PostScript
Tune-14374-3192_an_Honorable_Peace.txt 707 Plain-text file with the extracted tune(s)
Tune-14374-get.log 4733 Log file, useful mostly for debugging
These files should be available for 24 hours.