pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-443-Vwmla.ps) >>/Users/jc/w/tmp/Tune-443-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Vwmla/Vwmla(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_44319.log 148252 Log file, useful mostly for debugging
Coll_44349.log 271349 Log file, useful mostly for debugging
Find_44304.log 1799 Log file, useful mostly for debugging
Form_44300.log 828 Log file, useful mostly for debugging
Form_44343.log 819 Log file, useful mostly for debugging
Form_44377.log 856 Log file, useful mostly for debugging
Form_44382.log 842 Log file, useful mostly for debugging
Form_44398.log 479 Log file, useful mostly for debugging
Tune-443-Vwmla.abc 503 ABC music file with the extracted tune(s)
Tune-443-Vwmla.ps 36405 PostScript
Tune-443-Vwmla.txt 503 Plain-text file with the extracted tune(s)
Tune-443-get.log 65805 Log file, useful mostly for debugging
Tune-44313-get.log 50253 Log file, useful mostly for debugging
Tune-44320-get.log 1391 Log file, useful mostly for debugging
Tune-44326-get.log 3274 Log file, useful mostly for debugging
Tune-44331-get.log 3732 Log file, useful mostly for debugging
Tune-44347-get.log 4510 Log file, useful mostly for debugging
Tune-44362-get.log 68724 Log file, useful mostly for debugging
Tune-44395-get.log 1402 Log file, useful mostly for debugging
These files should be available for 24 hours.