Got HTTP status 400 Bad Request for "http://john-chambers.us/~jc/music/abc/Scotland/reel/Glenl"
X:3 not found in http://john-chambers.us/~jc/music/abc/Scotland/reel/Glenl
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-95931-Glenl.ps) >>/Users/jc/w/tmp/Tune-95931-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/reel/Glenl

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-95931-Glenl.abc 0 ABC music file with the extracted tune(s)
Tune-95931-Glenl.ps 6 PostScript
Tune-95931-Glenl.txt 0 Plain-text file with the extracted tune(s)
Tune-95931-get.log 4197 Log file, useful mostly for debugging
These files should be available for 24 hours.