Did you know that the "Tristan Chord" from Richard Wagner's opera "Tristan und Isolde" revolutionized music? This ambiguous chord broke traditional harmony rules and paved the way for modern music's freedom from strict tonal structures. Wagner's innovative use of dissonance created a sense of longing, perfectly mirroring the opera's theme of unattainable love. This moment marks a significant shift towards the emotional expressiveness and complexity of 20th-century music. What fascinating music fact excites you? Share it and keep the symphony of discovery playing!