18,000 Year Old Conch Shell Toots It’s Own Horn

An 18,000 year old 12 inch conch shell discovered in a French cave in 1931 has been on display at a museum for many decades. But, it was recently tested by a french horn player and they found it could be used to play a clear  c, c sharp and d notes! Currently, it’s the world’s oldest known seashell instrument!