pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-52381-NicholJ.ps) >>/Users/jc/w/tmp/Tune-52381-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/NicholJ/NicholJ(29-12-16).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
Tune-52381-NicholJ.abc 579 ABC music file with the extracted tune(s)
Tune-52381-NicholJ.ps 35889 PostScript
Tune-52381-NicholJ.txt 579 Plain-text file with the extracted tune(s)
Tune-52381-get.log 15944 Log file, useful mostly for debugging
These files should be available for 24 hours.