pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8117-Craig.ps) >>/Users/jc/w/tmp/Tune-8117-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Craigs/Craig'sEmpireViolinColl(12-4-16).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_8117.log 915 Log file, useful mostly for debugging
Form_81171.log 912 Log file, useful mostly for debugging
Tune-8117-Craig.abc 418 ABC music file with the extracted tune(s)
Tune-8117-Craig.ps 34557 PostScript
Tune-8117-Craig.txt 418 Plain-text file with the extracted tune(s)
Tune-8117-get.log 14152 Log file, useful mostly for debugging
These files should be available for 24 hours.