Skyfall Theme Song Cover

I tried to do a cover on Skyfall. I'm pretty mixed on my own work. I nail it in some parts but I'm off key a lot. I have some work to do. Maybe I can get some feedback.

At some point I want to improve and cover all of the songs (including this one again) when I get better.

And I just realized I forgot to cut the song after the first chorus.

http://picosong.com/m4rP/