Looking for novels (published within 5 years) involving the entertainment industry, theatre, acting, music, the creative process of art in general, or any combination thereof

*The process and struggle of creation
*Actors learning to embody their characters
*Parallels to the in-universe story (or music if it’s about a band) and the actor/writer’s personal arc
*Industry scheming and power dynamics

**Bonus points if there is a supernatural/fantastical element.

The Morning Show and Oshi no Ko are examples of a show and manga I liked in this vein, but looking for novel-form treatments of it