Is it Scientific pitch notation or Helmholtz pitch notation or something else entirely?
I'm writing a not-so-short story set in a conservatory, and I'm a bit over my head with terminology, and it doesn't help that all of my knowledge in this area is either in my native language or from Glee, which is American, when I'd like to keep the whole of my story in British English.
So, if a character asks his student to reach a certain note, would he ask to sing a F6 or three-line F or…?