Nuvio → Addons → add addon:
https://cnen.149.118.135.197.nip.io/manifest.json
Enable libass in Settings → Playback, render type OVERLAY_OPEN_GL,
or the top and bottom lines will collapse into one block.
Track names carry a match percentage. If the best one looks out of sync, pick an alt track, which pairs a different pair of source files.