pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8327-MILLER.ps) >>/Users/jc/w/tmp/Tune-8327-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Miller/MILLER(12-4-2016).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_83275.log 848 Log file, useful mostly for debugging
Tune-8327-MILLER.abc 425 ABC music file with the extracted tune(s)
Tune-8327-MILLER.ps 34355 PostScript
Tune-8327-MILLER.txt 425 Plain-text file with the extracted tune(s)
Tune-8327-get.log 4441 Log file, useful mostly for debugging
Tune-83276-CBTunes.abc 776 ABC music file with the extracted tune(s)
Tune-83276-CBTunes.txt 776 Plain-text file with the extracted tune(s)
Tune-83276-get.log 3057 Log file, useful mostly for debugging
These files should be available for 24 hours.