5603 / 18210 · Workshop 39 — “Watermelon Man”: Blues-Funk Vocabulary, Dominant Vamps, Riffs as Harmony, and Making Repetition Feel Inevitable Instead of Boring← prev⊞ allnext →
39.33Why IV is special
B♭7 contains:
B♭ D F A♭.
Notice:
F and A♭ are already part of F-blues vocabulary.
So the IV chord feels both:
new
and closely related.