The Cello That Just Smashed Mud in the Face

Cello's bow swings around and slashes at you mud. Oh my God, I thought I was getting bullied. That means it just does a point of damage, right? It's just an instrument. Let's get bullied. You've got me down quite unhealthy. Give me an inspiration dice. So I'm going to fight fire with fire. Once per turn, you can send forth a shockwave of blue vibrating energy that surges forward towards the target from a banjo. Those targets must make a DC 15 charisma saving throw or become enthralled by the fevers music. The cantrip called blue fever of bluegrass is cast upon this cello that just smashed mud in