Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/oneills/1001/X/0894.abc"
X:894 not found in http://john-chambers.us/~jc/music/book/oneills/1001/X/0894.abc
pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-31148-0894.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-31148-0894.ps 2>>/Users/jc/w/tmp/Tune-31148-get.log" returned status 256.
http://john-chambers.us/~jc/music/book/oneills/1001/X/0894.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Tune-31148-0894.abc 0 ABC music file with the extracted tune(s)
Tune-31148-get.log 4096 Log file, useful mostly for debugging
These files should be available for 24 hours.