When the main character and company arrive at a concert and, whether by accident or by choice, end up on stage. The Musician(s) make no effort to get them off stage and simply continue the performance around them or even incorporate them in without any prior consent or planning. Security refusing to get involved may also invoke this trope
Five hats means that five tropers think it is ready to publish.
You are saying that you think this draft is ready to be published. That means the description is not ambiguous,
it doesn't duplicate an existing trope, there are at least three examples, and the title makes sense.