Concerts are a big deal for Octavia, especially concerts in which she should place second chair in the highest symphony in Equestria.
Of course, things should be going smoothly; Tavi has gotten her music nearly memorized, brand new strings installed and tuned, and a nice, gleaming polish on the top plate of her cello. Everything should be just fine.

ーOr not.

Cover art a screenshot from A Tropical Octav3 Animation
Vocals by Coconeru, animation by AnimatedJames on YouTube