What do you get when you mash-up one of the biggest rock songs of all-time with an Icelandic folk-rock anthem? Well, you get something that shouldn't work, but it does.

Isosine, popular for his/her mash-ups, has done it again by combining Disturbed's "Down With the Sickness" with "Little Talks", from Of Monsters and Men, to make "Little Sickness"

This isn't only a perfect audio mash-up, but Isosine successfully combined elements from both videos in this epic production.

Watch the Incredible Mash-up "Little Sickness" Now