pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-91172-Sailes.ps) >>/Users/jc/w/tmp/Tune-91172-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Sailes/Sailes MS(8-8-16).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_91172.log 823 Log file, useful mostly for debugging
Tune-91172-Sailes.abc 385 ABC music file with the extracted tune(s)
Tune-91172-Sailes.ps 33932 PostScript
Tune-91172-Sailes.txt 385 Plain-text file with the extracted tune(s)
Tune-91172-get.log 7886 Log file, useful mostly for debugging
These files should be available for 24 hours.