pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2863-Westrop120.ps) >>/Users/jc/w/tmp/Tune-2863-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Westrop/Westrop120(28-5-15).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_28632.log 1846 Log file, useful mostly for debugging
Form_28636.log 920 Log file, useful mostly for debugging
Tune-2863-Westrop120.abc 377 ABC music file with the extracted tune(s)
Tune-2863-Westrop120.ps 34385 PostScript
Tune-2863-Westrop120.txt 377 Plain-text file with the extracted tune(s)
Tune-2863-get.log 29536 Log file, useful mostly for debugging
Tune-28630-get.log 3294 Log file, useful mostly for debugging
Tune-28633-get.log 3849 Log file, useful mostly for debugging
Tune-28638-get.log 19101 Log file, useful mostly for debugging
These files should be available for 24 hours.