Georgij Stepanov on Instagram: "The secret behind the grand piano’s rise to glory? ✨ The double escapement! Patented by Sébastien Erard in 1823, this ingenious system of levers uses gravity to let pianists strike the same note again without the key fully resetting. Sounds simple — but it changed everything. 🎹 From Chopin to Brahms, Debussy to Rachmaninov, this breakthrough unlocked the dazzling virtuosity we now associate with the piano. #classicalmusic #piano #pianomechanism #musicstories #mus