Error exit status 256; here are some files to check:

[get.cgi V=1/1 B=0 scale=0.55 512x512 ]
filesizedescription
Tune-43189-get.log 8693 Log file, useful mostly for debugging
Tune-43189-v12.abc 192 ABC music file with the extracted tune(s)
Tune-43189-v12.txt 192 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.