Mattias Krantz tuned every key on his piano to E, then cut a board so he could play them all simultaneously. The result is an epic "chord" to rival the THX sound.
Original Link: https://boingboing.net/2021/11/30/entire-piano-tuned-to-e.html?utm_source=rss&utm_medium=rss&utm_campaign=entire-piano-tuned-to-e
