Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/abc/Scotland/event/20190520/JohnnyMcGill1.abc"
X:610 not found in http://john-chambers.us/~jc/music/abc/Scotland/event/20190520/JohnnyMcGill1.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-84595-JohnnyMcGill1.abc 0 ABC music file with the extracted tune(s)
Tune-84595-JohnnyMcGill1.txt 0 Plain-text file with the extracted tune(s)
Tune-84595-get.log 3600 Log file, useful mostly for debugging
These files should be available for 24 hours.