Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/session/NEFR/jig/Rock_Valley.abc"
X:26 not found in http://john-chambers.us/~jc/music/session/NEFR/jig/Rock_Valley.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90644-Rock_Valley.ps) >>/Users/jc/w/tmp/Tune-90644-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/NEFR/jig/Rock_Valley.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
Form_90644.log 746 Log file, useful mostly for debugging
Tune-90644-Rock_Valley.abc 0 ABC music file with the extracted tune(s)
Tune-90644-Rock_Valley.ps 6 PostScript
Tune-90644-Rock_Valley.txt 0 Plain-text file with the extracted tune(s)
Tune-90644-get.log 4266 Log file, useful mostly for debugging
These files should be available for 24 hours.