What we tested: Generate individual cinematic shots in Kling, then finish the timing and story by hand in CapCut.
Workflow: Build or choose the image → animate it in Kling → direct the camera and movement → keep the usable shots → bring them into CapCut → sync the cuts to the song and finish the edit.
Result: Kling can make some nasty-looking shots when it behaves. It still needs human direction, rerolls and manual timing. That is why CapCut stays the B-side finishing room instead of pretending one AI button makes a whole music video.