Can Minor Illusion Make Noises?

Mud casts a summon beast which summons a bird to fly around the T-Wreck. Slick's song fades to an end and the emerald wave slowly comes to a halt just behind you all. The monolith, or the chasm or what? It is a capital T with hieroglyphs etched into the top. Behind the monolith is a deep chasm. So it's like on the edge of the chasm? Yes. Mud cautiously approaches.