pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79874-Lincolns_Inn.ps) >>/Users/jc/w/tmp/Tune-79874-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Lincolns_Inn.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_79874.log 468210 Log file, useful mostly for debugging
Tune-79874-Lincolns_Inn.abc 1955 ABC music file with the extracted tune(s)
Tune-79874-Lincolns_Inn.ps 35779 PostScript
Tune-79874-Lincolns_Inn.txt 1955 Plain-text file with the extracted tune(s)
Tune-79874-get.log 4945 Log file, useful mostly for debugging
These files should be available for 24 hours.