pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4260-Rutherford2.ps) >>/Users/jc/w/tmp/Tune-4260-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Rutherford/Rutherford2(15-12-2015).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_42609.log 521118 Log file, useful mostly for debugging
Tune-4260-Rutherford2.abc 579 ABC music file with the extracted tune(s)
Tune-4260-Rutherford2.ps 35173 PostScript
Tune-4260-Rutherford2.txt 579 Plain-text file with the extracted tune(s)
Tune-4260-get.log 4604 Log file, useful mostly for debugging
Tune-42603-get.log 2248 Log file, useful mostly for debugging
Tune-42604-get.log 4033 Log file, useful mostly for debugging
Tune-42606-get.log 2235 Log file, useful mostly for debugging
These files should be available for 24 hours.