pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23724-hnr5.ps) >>/Users/jc/w/tmp/Tune-23724-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/!ABCCollections/HenryNorbeckCollection/hnr5.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_23724.log 861 Log file, useful mostly for debugging
Tune-23724-get.log 4445 Log file, useful mostly for debugging
Tune-23724-hnr5.abc 470 ABC music file with the extracted tune(s)
Tune-23724-hnr5.ps 38764 PostScript
Tune-23724-hnr5.txt 470 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.