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The Sustain

esthor · 2026

A Glasshouse opera in three acts. A civilization sealed inside a glass dome believes one sung tone — the Sustain — holds the poisoned sky out. Wren, chosen to sing it, learns the Note holds the world shut, not safe, and drives it past its breaking point until the glass comes down. Atmospheric progressive metal. 2026.

Tracks: 16
Runtime: 1h 14m
Added: 2026
Catalog: esthor / the-sustain

4:28
5:40
4:14
5:07
4:48
4:37
4:57
3:42
4:21
4:54
4:48
4:19
4:03
4:38
3:42
5:28

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Overture: The Glasshouse4:28

Born Under Glass5:40

The Voice in the Vault4:14

Sixty Years a Throat5:07

Ascension (The Glazier's Hymn)4:48

What the Note Holds Shut4:37

One Long Note4:57

What Have We Built4:48

The Choir Eternal4:19

Resonance (Two Ways to Break a World)4:03

The Glazier's Gambit4:38

The Breaking of the Note3:42

Dawn Through the Glass5:28

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