4002 / 18210 · Workshop 22 — “There Is No Greater Love”: Major-Key Fluency, ii–V Compression, Secondary Dominants, and Making a Standard Feel Effortless← prev⊞ allnext →
22.39Level 17 — tritone substitution
F7 → B♭
can become:
B7 → B♭
because B7 is the tritone substitute of F7.
Bass:
B → B♭.
Very strong chromatic resolution.