"The Nutcracker" is one of the composer's most popular compositions. The music belongs to the Romantic period and contains some of his most memorable melodies, several of which are frequently used in television and film. (They are often heard in TV commercials shown during the Christmas season.) The , or "Russian dance", is one of the most recognizable pieces in the ballet, along with the "Waltz of the Flowers" and "March", as well as the "Dance of the Sugar Plum Fairy". The composer's reverence for Rococo and late 18th-century music (such as by Mozart and Haydn) can be detected in passages such as the Overture, the , and in act 1.