pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7915-FiTuBo.ps) >>/Users/jc/w/tmp/Tune-7915-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/FiTuBo/FiTuBo(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_79150.log 264789 Log file, useful mostly for debugging
Coll_79151.log 147647 Log file, useful mostly for debugging
Coll_79156.log 127682 Log file, useful mostly for debugging
Form_79151.log 848 Log file, useful mostly for debugging
Form_79152.log 834 Log file, useful mostly for debugging
Tune-7915-FiTuBo.abc 376 ABC music file with the extracted tune(s)
Tune-7915-FiTuBo.ps 36323 PostScript
Tune-7915-FiTuBo.txt 376 Plain-text file with the extracted tune(s)
Tune-7915-get.log 4367 Log file, useful mostly for debugging
These files should be available for 24 hours.