pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7031-2382_the_Banks_of_Allan.ps) >>/Users/jc/w/tmp/Tune-7031-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/2382_the_Banks_of_Allan.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_70315.log 2310860 Log file, useful mostly for debugging
Coll_70318.log 1405521 Log file, useful mostly for debugging
Form_70312.log 874 Log file, useful mostly for debugging
Tune-7031-2382_the_Banks_of_Allan.abc 805 ABC music file with the extracted tune(s)
Tune-7031-2382_the_Banks_of_Allan.ps 37799 PostScript
Tune-7031-2382_the_Banks_of_Allan.txt 805 Plain-text file with the extracted tune(s)
Tune-7031-get.log 4705 Log file, useful mostly for debugging
These files should be available for 24 hours.