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ZAYN

LONELY

LONELY

Justin Bieber ZAYN

KEY4♭

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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