pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3245-Europes_Revels.ps) >>/Users/jc/w/tmp/Tune-3245-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Europes_Revels.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_32452.log 457008 Log file, useful mostly for debugging
Tune-3245-Europes_Revels.abc 1076 ABC music file with the extracted tune(s)
Tune-3245-Europes_Revels.ps 33525 PostScript
Tune-3245-Europes_Revels.txt 1076 Plain-text file with the extracted tune(s)
Tune-3245-get.log 8365 Log file, useful mostly for debugging
Tune-32450-get.log 6808 Log file, useful mostly for debugging
Tune-32451-get.log 1396 Log file, useful mostly for debugging
Tune-32455-get.log 3646 Log file, useful mostly for debugging
These files should be available for 24 hours.