Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/session/Oivan_Ilo/Seni_FCGD-16-4.abc/polka"

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-36268-get.log 3163 Log file, useful mostly for debugging
Tune-36268-polka.abc 165 ABC music file with the extracted tune(s)
Tune-36268-polka.txt 165 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.