Full reference to all audio in @Video1, the black-screen MP4: use its complete s

Full reference to all audio in @Video1, the black-screen MP4: use its complete soundtrack exactly as supplied, with the original voices, words, timing, speed and pauses. Lip movements are strictly synchronized with every syllable. @Video1 supplies audio; @Video2 supplies the filmed room, performances and physical state. The FINAL frame of @Video2 is the starting physical state of this clip. Se...