Tritone substitutions in D major

Every dominant in D major, and its substitute

• A7V7→D

  E7subV7→D

  E♭7 substitutes for A7, the dominant of D major. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: C♯ and G in A7, D♭ and G in E♭7.

• B7V7/ii→Em

  F7subV7/ii→Em

  F7 substitutes for B7, the dominant of E minor. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: D♯ and A in B7, E♭ and A in F7.

• C7V7/iii→Fm

  G7subV7/iii→Fm

  G7 substitutes for C♯7, the dominant of F♯ minor. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: E♯ and B in C♯7, F and B in G7.

• D7V7/IV→G

  G7subV7/IV→G

  G♯7 substitutes for D7, the dominant of G major. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: F♯ and C in D7, F♯ and B♯ in G♯7.

• E7V7/V→A

  B7subV7/V→A

  B♭7 substitutes for E7, the dominant of A major. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: G♯ and D in E7, A♭ and D in B♭7.

• F7V7/vi→Bm

  C7subV7/vi→Bm

  C7 substitutes for F♯7, the dominant of B minor. They share the same tritone, so the bass can fall a semitone instead of a fifth. Shared notes: A♯ and E in F♯7, B♭ and E in C7.