pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47031-Leadley4.ps) >>/Users/jc/w/tmp/Tune-47031-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Leadley/Leadley4(16-5-16).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-47031-Leadley4.abc 407 ABC music file with the extracted tune(s)
Tune-47031-Leadley4.ps 35211 PostScript
Tune-47031-Leadley4.txt 407 Plain-text file with the extracted tune(s)
Tune-47031-get.log 69229 Log file, useful mostly for debugging
These files should be available for 24 hours.