For instrumentals of sorts:

Anything of Ludovico Einaudi & Hans Zimmer.

For Led:

Eminem: The Way I Am, Till I Collapse, Legacy, Guts Over Fear, Fall, Survive, Beautiful Pain, Space Bound, ...:)

For Arlene:

Måneskin: Zitti E Buoni, Beggin, Gossip, SUPERMODEL, etc...

Lady Gaga: Judas

Bishop Briggs: River

Miss Chaisson: Morpheus, L. Einaudi (of course)

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Soundtrack (for ambience):

http://tabletopaudio.com/index.html?173&321&333&253&173

1. Robotics Lab by Tabletop Audio

2. Invisible Mountain by Tabletop Audio

3. Arcane Athenaeum by Tabletop Audio

4. Submerged by Tabletop Audio

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Prompts taken from ONC 2023. #53: A team of scientists unmanned submarine dives into the deepest areas of the Atlantic Ocean. The video feed cuts as they reach low depths, but not before it freezes on what is clearly a city underwater. Secondary prompts: #49: "Master the rules of the game until you can play it better than they can." Michael Scott, "The Sorceress." #62: "Hell is empty and all the devils are here." William Shakespeare.