pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9534-10881_Nancy_Dawson.ps) >>/Users/jc/w/tmp/Tune-9534-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/10881_Nancy_Dawson.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_95344.log 137000 Log file, useful mostly for debugging
Tune-9534-10881_Nancy_Dawson.abc 702 ABC music file with the extracted tune(s)
Tune-9534-10881_Nancy_Dawson.ps 35765 PostScript
Tune-9534-10881_Nancy_Dawson.txt 702 Plain-text file with the extracted tune(s)
Tune-9534-get.log 4517 Log file, useful mostly for debugging
These files should be available for 24 hours.