Did you know that Beethoven's famous "Symphony No. 9" was the first major symphony to include vocals? This groundbreaking addition in the final movement, featuring the "Ode to Joy," blurred the lines between symphony and opera, forever changing the landscape of classical music. The piece epitomizes unity and joy through its universal, timeless message. Now I'm curious—what's a piece of music that resonates with you, and why does it hold significance? Share your harmonic revelations!