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Billie Eilish

BLUE

BLUE

Billie Eilish

KEY1♯

MODEC Lydian

Bored

Bored

Billie Eilish

KEY1♯

MODEG Major

What Was I Made For?

What Was I Made For?

Billie Eilish

KEY♮

MODEC Major

WILDFLOWER

WILDFLOWER

Billie Eilish

KEY3♯

MODED Lydian

Song Key Signature Database

Keysignary is a musician curated key signature database focused on clarity over automation. Instead of relying on automatic detection, each song is analyzed through musical context, including modes and tonal centers, to avoid ambiguous major or minor labels. Learn more on our About Us page.

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