pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79899-Yarker.ps) >>/Users/jc/w/tmp/Tune-79899-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Yarker/Yarker(8-3-16).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_79899.log 886 Log file, useful mostly for debugging
Tune-79899-Yarker.abc 398 ABC music file with the extracted tune(s)
Tune-79899-Yarker.ps 34224 PostScript
Tune-79899-Yarker.txt 398 Plain-text file with the extracted tune(s)
Tune-79899-get.log 17952 Log file, useful mostly for debugging
These files should be available for 24 hours.