All-4-One

1 songs

Vocal range data and karaoke guides for every All-4-One song in our catalog. Find out which ones fit your voice — free.

🟢 0 Easy
🟔 0 Medium
šŸ”“ 1 Hard
Full span: A2 → C♯5
I Swear
A2–C♯5 28 semi. Hard

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