pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-11993-Mother_Browns_Catt.ps) >>/Users/jc/w/tmp/Tune-11993-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Mother_Browns_Catt.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_11993.log 916819 Log file, useful mostly for debugging
Tune-11993-Mother_Browns_Catt.abc 1577 ABC music file with the extracted tune(s)
Tune-11993-Mother_Browns_Catt.ps 36897 PostScript
Tune-11993-Mother_Browns_Catt.txt 1577 Plain-text file with the extracted tune(s)
Tune-11993-get.log 4599 Log file, useful mostly for debugging
These files should be available for 24 hours.