pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17353-1281_Earl_of_Marshall.ps) >>/Users/jc/w/tmp/Tune-17353-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/1281_Earl_of_Marshall.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_17353.log 1933441 Log file, useful mostly for debugging
Tune-17353-1281_Earl_of_Marshall.abc 830 ABC music file with the extracted tune(s)
Tune-17353-1281_Earl_of_Marshall.ps 37365 PostScript
Tune-17353-1281_Earl_of_Marshall.txt 830 Plain-text file with the extracted tune(s)
Tune-17353-get.log 8800 Log file, useful mostly for debugging
These files should be available for 24 hours.