Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/DftY/Preston.abc/1804"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-8499-1804.abc 149 ABC music file with the extracted tune(s)
Tune-8499-1804.txt 149 Plain-text file with the extracted tune(s)
Tune-8499-get.log 3041 Log file, useful mostly for debugging
Tune-84991-get.log 3807 Log file, useful mostly for debugging
Tune-84991-x13.abc 187 ABC music file with the extracted tune(s)
Tune-84991-x13.ps 32699 PostScript
Tune-84991-x13.txt 187 Plain-text file with the extracted tune(s)
Tune-84995-10411_Pray_Goody.abc 852 ABC music file with the extracted tune(s)
Tune-84995-10411_Pray_Goody.pdf 22907 Portable Data Format
Tune-84995-10411_Pray_Goody.ps 38020 PostScript
Tune-84995-10411_Pray_Goody.txt 852 Plain-text file with the extracted tune(s)
Tune-84995-1800_Thompson_FCCD-V2.abc 15535 ABC music file with the extracted tune(s)
Tune-84995-1800_Thompson_FCCD-V2.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-84995-1800_Thompson_FCCD-V2.ps 119305 PostScript
Tune-84995-1800_Thompson_FCCD-V2.txt 15535 Plain-text file with the extracted tune(s)
Tune-84995-get.log 18772 Log file, useful mostly for debugging
These files should be available for 24 hours.