Mélodie is a term that refers to a sequence of musical notes that are perceived as a single entity. It is a fundamental element of music, often forming the main theme of a song or composition. Melodies can vary in complexity and can be created using various instruments or the human voice. In Western music, melodies are typically structured using scales and can evoke different emotions. Composers like Ludwig van Beethoven and Wolfgang Amadeus Mozart are known for their memorable melodies, which have influenced countless musicians and genres throughout history.