pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78983-Yarker.ps) >>/Users/jc/w/tmp/Tune-78983-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
Coll_78983.log 130707 Log file, useful mostly for debugging
Tune-78983-Yarker.abc 501 ABC music file with the extracted tune(s)
Tune-78983-Yarker.ps 35994 PostScript
Tune-78983-Yarker.txt 501 Plain-text file with the extracted tune(s)
Tune-78983-get.log 18983 Log file, useful mostly for debugging
These files should be available for 24 hours.