Joy in a box- My cat having a wonderful moment-There is nothing in that box

My boyfriend is playing his guitar in the background while my cat who is the queen of random full fills her life in that box. The catch is...the box is EMPTY and she keeps tapping her toes/ pouncing as is there is something to hunt....and well her popping her head back out and in to the tune of the music is simply hilarious. Enjoy.