Pyotr Tchaikovsky - "Pas de Deux" from the ballet "The Nutcracker".

Peter Tchaikovsky, born on May 7, 1840, was a Russian composer of the Romantic era. His works include symphonies, concertos, operas, ballets, and chamber music. He is best known for his ballets "Swan Lake," "The Nutcracker," and "The Sleeping Beauty." The "Pas de Deux" in "The Nutcracker" is one of the most emotional and lyrical segments, performed by the main characters in the second act. This composition is valued for its melodiousness and dramatic depth, making it a pivotal moment in the performance.