Can't delete files/folders
I've researched all the posts about deleting stubborn files but nothing matches my situation and none of the solutions are helping.
Here is my situation, I have some .mp3 files, Rolling Stones Satisfaction that won't delete. I've had this file for many years but something has corrupted it. There is what looks like a trademark insignia in the file name. I've tried changing the file name but it won't change. I tried changing it to 'k' and when I do I get an error message that says "File name is too long, try removing some characters or punctuation". After I did this, I tried dragging the file to the desktop to work on it there. When I do this it makes a new copy. I have tried 2 commands in the terminal, sudo rm -rf ~/.Trash, and srm -rv. Neither of these have worked. Any other suggestions?
Mac Pro, OS X El Capitan (10.11.3), 12 core Westmere, 32GB of RAM