Ask the DJ about the music
You slowly approach the strange creature and get it's attention. It spares you a quick glance and a moment of silence while you proceed to ask it about it's music.
Part 2
Instead of giving you an answer or any other more dramatic response, It merely points to the nearby boot-monster deathstone and goes back to making it's noise.
Part 3
Maybe the shadow wanted you to look at this? You go a little closer and examine it.
The stone itself
seems relatively new and in good shape. Though it looks like somebody scratched something pretty deep into the surface.