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Shawn Mendes

Forever Starts Tonight

Forever Starts Tonight

Shawn Mendes

KEY1♯

MODEG Major

Monster

Monster

Justin Bieber Shawn Mendes

KEY1♭

MODED minor

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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