Here I present to you, "One Riff Song" a song that only consists of one riff. I only used 2 strings, the lower E and A. E is tuned down to A# and A is... well A.

Playing this riff is really easy. It's only a bend and release in triplets of the 2nd fret and repeat it 5 times, and playing the 2nd fret in an 8th note then palm muting the open E, and an 8th note from the 1st fret of A, and to the 3nd fret of A.

I also tried to make it heavy, but IDK lol it sounds pretty heavy to me.