pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4550-Betham.ps) >>/Users/jc/w/tmp/Tune-4550-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Betham/Betham(12-4-16).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_45509.log 146437 Log file, useful mostly for debugging
Tune-4550-Betham.abc 491 ABC music file with the extracted tune(s)
Tune-4550-Betham.ps 34686 PostScript
Tune-4550-Betham.txt 491 Plain-text file with the extracted tune(s)
Tune-4550-get.log 34900 Log file, useful mostly for debugging
Tune-45503-get.log 1388 Log file, useful mostly for debugging
These files should be available for 24 hours.