Mixing from 4B to 4A

How to mix this transition

Since both keys share the same key signature (four flats), harmonic clash is minimal; the challenge is managing the *perceived* shift in tonal gravity. Bring in the F Minor track during a breakdown or at a phrase boundary where the outgoing A♭ Major track has resolved, so the new tonal center can establish without fighting the old one's momentum. Use a 16–32 bar blend to let the F Minor bassline and root notes anchor the new tonality before fully committing. Avoid stacking this modal flip with a simultaneous kick swap or energy spike—let the mood change breathe on its own. If the incoming track is darker in timbre as well, the transition will read clearly; if it's bright, the key change alone may feel ambiguous.