You drive onto the stage, grinding it to splinters beneath your tank treads and making quite a racket.
"Wow, is that Hanatarash?" you hear one youth nearby exclaim.
The crowd cheers, mesmerised by what they perceive as your use of creative destruction to make very loud music.
So you give them what they want, using your shovel to make sounds. You never do make it to Cheong Wa Dae, but this is your start as a musician operating heavy machinery to make noise music.
Also, the president is peacefully impeached and stuff, so that's a win!