pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-212-FiTuBo.ps) >>/Users/jc/w/tmp/Tune-212-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_21208.log 135018 Log file, useful mostly for debugging
Form_212.log 929 Log file, useful mostly for debugging
Form_21220.log 915 Log file, useful mostly for debugging
Form_21241.log 892 Log file, useful mostly for debugging
Form_21299.log 974 Log file, useful mostly for debugging
Tune-212-FiTuBo.abc 393 ABC music file with the extracted tune(s)
Tune-212-FiTuBo.ps 34258 PostScript
Tune-212-FiTuBo.txt 393 Plain-text file with the extracted tune(s)
Tune-212-get.log 60472 Log file, useful mostly for debugging
Tune-21230-get.log 4022 Log file, useful mostly for debugging
Tune-21247-get.log 6346 Log file, useful mostly for debugging
Tune-21259-get.log 7187 Log file, useful mostly for debugging
Tune-21276-get.log 3801 Log file, useful mostly for debugging
Tune-2129-get.log 5570 Log file, useful mostly for debugging
These files should be available for 24 hours.