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Sheet · Song

The Only Casta Diva

E4

Alsothe aria; the music video (S26)

Episode 4's music video: Frederick Edge's 1859 eyewitness paragraph about Morphy in the Duke's box, every word his, sung by the sacrificed oil queen on a toy-theatre stage whose set changes with each opera nobody can name.

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The sacrificed white queen sings Edge's 1859 words in her Crimson Coil alizarin sash Used
The sacrificed white queen sings Edge's 1859 words in her Crimson Coil alizarin sash {E4 23:40} edit

At a glance

Kind
Song
In
E4 dashed: not released yet
Lines
19
File
things/only-casta-diva.md

Episode 4's music video is an aria made of a nineteenth-century chess writer's eyewitness paragraph, sung straight, by the queen Morphy gave away, to a house that argues with its back to her.

What4 lines

  • On screenEvery sung word is Edge's (1859): 159 words. {E4 23:00-25:00; aria LYRIC} edit
  • On screenE major, 64 bpm, 32 bars from 23:00.000; the final chord is struck on 25:00.000 and rings into the gods. {E4 23:00.000-25:03} edit
  • Running"The Only Casta Diva" is the crew's title; no title or lyric is shown on screen. {E4 ONSCREEN S26} edit
  • RunningAn ElevenLabs music take conformed to a 64-bpm grid in E major. {E4 S26} edit

By episode8 lines

E4

Touch Move

not released yet
  • On screenSung by the oil queen on an oil-painted toy-theatre stage, Penco's silver crescent in her hair. {E4 23:00} edit
  • On screenSets: SCENE 1 · NORMA (Edge, 1859), SCENE 2 · THE BARBER OF SEVILLE (Lange, 1860), SCENE 3 · LA CENERENTOLA (Golombek), SCENE 4 · THE MARRIAGE OF FIGARO (Fine, 1951), then all four jammed. {E4 23:00-25:00} edit
  • On screen"The Duke's box is right on the stage, so close, indeed, so close, that you might kiss the prima donna without any trouble." {E4 23:26-23:41} edit
  • On screenThe velvet lifts: the opera, muffled all film, is heard clearly for the first time. {E4 23:41.25-23:42.4} edit
  • On screen"...little dreaming that Caïssa was the only Casta Diva, the only Casta Diva the inmates cared about." {E4 24:39.75-24:48.75} edit
  • On screenThe bridge: the captured crayon pawns as Druids with paper spears march on the Duke's box: "Fire and bloodshed against the Roman host". {E4 24:48.75-24:52.5} edit
  • On screenOnly Bf8, Rh8 and Mr. Hale's pieces listen; nobody applauds. {E4 23:41-24:42} edit
  • On screenMorphy begins to turn; his face in oil lands on 25:00.000. {E4 24:50-25:00} edit

Voice1 line

  • On screenAn aria, sung sincerely by the oil queen, in E major. {E4 23:00-25:00} edit

Ties4 lines

Must stay true1 line

  • RunningEdge's words only; sincere, never parody. {E4 QUOTABLES Q-E4-14} edit

Open1 line

  • OpenWhich opera was really playing in 1858; the aria sings Edge's Norma. {E4 9:32; 23:00} edit

Every line on this page is drawn from the lore: 153 sheets and 8,338 lines of Markdown in Aaron's series repo, each with exactly one tier. Change a line there and run lore.py publish, and every page of this course follows (this copy: built 23 October 2026 from 3ab0458).

Sources are in braces: {E2 25:20} is Episode 2 at 25:20, {E4 S17} a scene, {Aaron 2026-10-22} a decision of Aaron's. “edit” opens the line in the series repo, which is private: it works for Aaron and the crews; the sources are everyone's. Everything that isn't steel is free to change.