Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book20/MMM2.abc"

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 ]
filesizedescription
Tune-74697-1812_Wilson_Harmony_FourNewCountryDances.abc 177 ABC music file with the extracted tune(s)
Tune-74697-1812_Wilson_Harmony_FourNewCountryDances.pdf 2217 Portable Data Format
Tune-74697-1812_Wilson_Harmony_FourNewCountryDances.ps 6 PostScript
Tune-74697-1812_Wilson_Harmony_FourNewCountryDances.txt 177 Plain-text file with the extracted tune(s)
Tune-74697-MMM2.abc 143 ABC music file with the extracted tune(s)
Tune-74697-MMM2.txt 143 Plain-text file with the extracted tune(s)
Tune-74697-get.log 8805 Log file, useful mostly for debugging
These files should be available for 24 hours.