Cover Parody of an Awesome Cover

In the beginning, there was a very good and original cover of Somebody That I Used To Know (feat. Kimbra) from the multi instrumental Belgian-Australian Gotye, and then, the (really) awesome group The Key of Awesome came in, and did this sublime piece:

 

 
This is the “original cover” by Walk off the Earth, very good also.
 

And finally the original video (which I really don’t like at all) and song (that I do like a lot).