pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54132-Vulcans_Cave.ps) >>/Users/jc/w/tmp/Tune-54132-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CJSurtees/Vulcans_Cave.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_54132.log 385493 Log file, useful mostly for debugging
Tune-54132-Vulcans_Cave.abc 952 ABC music file with the extracted tune(s)
Tune-54132-Vulcans_Cave.ps 35219 PostScript
Tune-54132-Vulcans_Cave.txt 952 Plain-text file with the extracted tune(s)
Tune-54132-get.log 6039 Log file, useful mostly for debugging
These files should be available for 24 hours.