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The tenor is a type of male singing voice and is the highest male voice within the modal register. The tenor voice (in choral music) lies between C3, the C one octave below middle C, and (A4), the A above middle C. In solo work, this range extends up to (C5), or "tenor high C." The low extreme for tenors is roughly B♭2 (two B♭s below middle C). At the highest extreme, some tenors can sing up to two Fs above middle C (F5).