pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47380-Vigo.ps) >>/Users/jc/w/tmp/Tune-47380-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Vigo.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_47380.log 465410 Log file, useful mostly for debugging
Tune-47380-Vigo.abc 1421 ABC music file with the extracted tune(s)
Tune-47380-Vigo.ps 34779 PostScript
Tune-47380-Vigo.txt 1421 Plain-text file with the extracted tune(s)
Tune-47380-get.log 4222 Log file, useful mostly for debugging
These files should be available for 24 hours.