Lindsey Stirling is an amazing violinist that's as cute as a button and as talented as one can be. You may know her from the fifth season of America's Got Talent (quarter-finalist).
Another place where you might have discovered her is YouTube. Her music videos reach millions of views each. That should tell you something about her talent. Either way, here is a short selection of her music videos containing covers for popular soundtracks of some game (and movie) franchises: