Myth: Violin strings were once made out of cat guts. Violin strings were not made out of actual cat guts. Catgut is (and was) made from the walls of various animal intestines though. Generally sheep or goat intestines are preferred, but occasionally other intestines are used, such as intestines from pigs and cows. This practice of making strings and cord … Continue reading Violin Strings Were Never Made Out of Actual Cat Guts