pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29424-Harrison.ps) >>/Users/jc/w/tmp/Tune-29424-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/HarrisonRev/Harrison(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
Find_29424.log 1591 Log file, useful mostly for debugging
Form_29424.log 950 Log file, useful mostly for debugging
Tune-29424-Harrison.abc 593 ABC music file with the extracted tune(s)
Tune-29424-Harrison.ps 39596 PostScript
Tune-29424-Harrison.txt 593 Plain-text file with the extracted tune(s)
Tune-29424-get.log 136463 Log file, useful mostly for debugging
These files should be available for 24 hours.