Got HTTP status 404 Not Found for "http://www.scottishfiddlers.com/Sydney/Music/ABC/National.abc"
X:38 not found in http://www.scottishfiddlers.com/Sydney/Music/ABC/National.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35317-National.ps) >>/Users/jc/w/tmp/Tune-35317-get.log 2>&1" returned status 256
http://www.scottishfiddlers.com/Sydney/Music/ABC/National.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
Tune-35317-National.abc 0 ABC music file with the extracted tune(s)
Tune-35317-National.ps 6 PostScript
Tune-35317-National.txt 0 Plain-text file with the extracted tune(s)
Tune-35317-get.log 4474 Log file, useful mostly for debugging
These files should be available for 24 hours.