1. J.S. Bach: "Jesu, Joy of Man's Desiring" (BWV 147)
This is a chorale from Bach's cantata "Herz und Mund und Tat und Leben" (BWV 147). The melody of this piece has become well-known and is often played as a standalone piece.
2. Ludwig van Beethoven: "Symphony No. 9 in D Minor, Op. 125" (also known as the "Choral Symphony")
The final movement of Beethoven's Ninth Symphony features the text of Friedrich Schiller's poem "Ode to Joy." This movement, known as the "Ode to Joy," is one of Beethoven's most famous works and is often considered a symbol of unity, joy, and brotherhood.