The tritone, an interval once dubbed "diabolus in musica" (the devil in music), was avoided in medieval sacred music due to its dissonant sound. Yet, centuries later, it became a staple in blues and rock, emphasizing tension and release. This pivot showcases music’s evolving nature, where what was once feared is now celebrated. What fascinating music fact do you hold that turns conventional wisdom on its head? Share your own harmonious revelations!