pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40310-Holmes.ps) >>/Users/jc/w/tmp/Tune-40310-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/HolmesE/Holmes -Wade.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_40310.log 873 Log file, useful mostly for debugging
Tune-40310-Holmes.abc 1005 ABC music file with the extracted tune(s)
Tune-40310-Holmes.ps 45328 PostScript
Tune-40310-Holmes.txt 1005 Plain-text file with the extracted tune(s)
Tune-40310-get.log 210218 Log file, useful mostly for debugging
These files should be available for 24 hours.