Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/DftY/Thompson.abc/1772"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-6462-1772.abc 150 ABC music file with the extracted tune(s)
Tune-6462-1772.txt 150 Plain-text file with the extracted tune(s)
Tune-6462-get.log 3049 Log file, useful mostly for debugging
Tune-64629-Old_Gray_Cat-001.svg 66206 Scalable Vector Graphics format
Tune-64629-Old_Gray_Cat-002.svg 19212 Scalable Vector Graphics format
Tune-64629-Old_Gray_Cat.abc 2249 ABC music file with the extracted tune(s)
Tune-64629-Old_Gray_Cat.txt 2249 Plain-text file with the extracted tune(s)
Tune-64629-get.log 9141 Log file, useful mostly for debugging
These files should be available for 24 hours.