Section 17.5 Writing Secondary Dominants
To write a secondary dominant, use the following procedure.
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First determine the note that is the root of the chord being tonicized (the chord to the right of the slash).
- Determine the root of the
in the key of B♭ (the Roman numeral after the slash): F - Build a major–minor seventh chord on F: F–A–C–E♭
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Invert the chord accordingly.
inversion means the fifth of the chord is in the bass.