pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-83160-3351_Lord_McDonalds_Old_Reel.ps) >>/Users/jc/w/tmp/Tune-83160-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3351_Lord_McDonalds_Old_Reel.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_83160.log 454338 Log file, useful mostly for debugging
Tune-83160-3351_Lord_McDonalds_Old_Reel.abc 1376 ABC music file with the extracted tune(s)
Tune-83160-3351_Lord_McDonalds_Old_Reel.ps 41890 PostScript
Tune-83160-3351_Lord_McDonalds_Old_Reel.txt 1376 Plain-text file with the extracted tune(s)
Tune-83160-get.log 4843 Log file, useful mostly for debugging
These files should be available for 24 hours.