https://www.youtube.com/watch?v=bRe648clNjg Listen how her tone and pitch blends as one with his voice, almost like a vocal synthesized overlay. Greatest popular songwriter as well. Salut to Elliot https://www.youtube.com/watch?v=N-aK6JnyFmk https://www.youtube.com/watch?v=ZZ0PZRYin2s