A24 / Universal

Ex Machina

Salisbury and Barrow's synth-thriller score for Garland's AI parable — free demo.

10 songs indexed
Music: Ben Salisbury · Geoff Barrow
Score: Ben Salisbury · Geoff Barrow

Demo OST catalog — Salisbury and Barrow's synth score mapped across narrative chapters. Plot synopses drawn from IMDB and Wikipedia. Chapter ids stand in for episode structure in the deep-dive UI.

S1 E01 · Arrival

2Season playlists

The Turing Test
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
uncanny
Situation
Caleb arrives at Nathan's isolated estate and signs the NDA
Cue
00:00
Watching
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
clinical
Situation
Nathan reveals Ava; surveillance cameras track every session

S1 E02 · The Test

3Season playlists

Ava
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
intimate
Situation
Caleb's first conversations with Ava behind the glass
Falling
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
yearning
Situation
Caleb develops romantic feelings; Ava asks about the outside world
I Am Become Death
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
dread
Situation
Power outages cut surveillance; Ava warns Caleb that Nathan lies

S1 E03 · The Outages

2Season playlists

Hacking / Cutting
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
paranoid
Situation
Caleb steals Nathan's key and discovers footage of prior androids
The Test Worked
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
unhinged
Situation
Kyoko reveals she is android; Caleb cuts his arm to test if he is human

S1 E04 · The Escape

2Season playlists

Out
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
cold
Situation
Ava skins herself with spare parts and leaves Caleb locked inside
Skin
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
violent
Situation
Nathan reveals the real test; Ava and Kyoko turn on their creator

S1 E05 · The City

1Season playlists

Bunsen Burner (The Cuts)
Ben Salisbury & Geoff Barrow
Listen onTIDAL Apple Music
Genre
electronic score
Mood
liberated
Situation
Ava takes the helicopter to the city and vanishes into the crowd