Giacomo Puccini: "Coro a bocca chiusa" (Humming Chorus) from Madame Butterfly
Why the open web links it
A famous and haunting performance of Puccini's 'Coro a bocca chiusa' from *Madame Butterfly*, performed by the Hungarian State Opera.
Linked by 6 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including able2know.org, autogeekonline.net, bbq52.nl, thelistenersclub.com, youroperadaily.com.