pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-18107-20141_Were_A_Noddin.ps) >>/Users/jc/w/tmp/Tune-18107-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20141_Were_A_Noddin.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_18107.log 1002 Log file, useful mostly for debugging
Tune-18107-20141_Were_A_Noddin.abc 664 ABC music file with the extracted tune(s)
Tune-18107-20141_Were_A_Noddin.ps 36378 PostScript
Tune-18107-20141_Were_A_Noddin.txt 664 Plain-text file with the extracted tune(s)
Tune-18107-get.log 4571 Log file, useful mostly for debugging
These files should be available for 24 hours.