This clip captures a spontaneous street performance that starts with a brief chat between a pianist sitting at a public piano in a London square and a woman passing by with a guitar case on her back. After agreeing on Bach-Gounod's Ave Maria in B-flat, he flips to the sheet music and launches into the rhythmic arpeggiated accompaniment at 00:51. When she begins singing at 01:07, her voice immediately fills the outdoor space with a remarkably polished operatic soprano tone, navigating the Latin lyrics with impressive projection and control while passersby stroll around Devonshire Square.
What makes the video so enjoyable is the total lack of pretense and how seamlessly they pull it off without rehearsing together beforehand. Her clean vibrato and sustained high notes hold up remarkably well against the ambient open-air acoustics, and the pianist keeps a steady, sensitive accompaniment right through to the final chord at 04:36, ending on a genuine shared smile between two random musicians.