Sounds abit like a mashup of Dimmu Borgir-megdeth not sure if you sampled the background sound but this is the vibe I hear.
I'm a huge fan of this music genre & few others. I would leave the background out throughout the song it was alright at the beginnning.

Nice, job. You should see my album fan art covers, made them two years before whole internet bubble burst, before digital tablets.

To answer the First person who posted. First you must the owner of drawing if you can use it as a background picture if she or he says Yes.

Place cursor arrow on picture and click right click on your mouse or keyboard from laptop, click save picture as. You don't need a full wide screen view of any picture. Just as long you use right method.