Waltz, also known as Waltz in English, is sometimes transliterated as "Waltz". It originated from the "Landerer", a slow three-beat peasant dance in northern Austria. From the 18th to the 19th century, this kind of dance music appeared in the symphony works of Haydn, Mozart, Beethoven and others. With the development of classical music, its speed continued to accelerate and the harmonic color became further enriched. In the early 19th century, the waltz also It is difficult to enter the elegant hall, but due to the preference and praise of Austrian Prime Minister Metternich, it can compete with the elegant minuet, and then win the popularity of the public. After entering the romantic music period, famous composers competed to create waltzes, which promoted the development of waltz. Weber's "Invitation to Dance" is the first waltz with delicate techniques, and was first used as ballet music in 1848: The piano waltz created by Schubert contains "nobility", "sadness", "sentimentality" and other sentiments, injecting a new style into the waltz genre. New performance content; Johann Strauss and his son created a waltz suite structure consisting of a prelude, an ending and several small waltzes, perfecting the formal structure and performance connotation of this genre, marking the waltz reaching the peak of elegance and vulgarity. *The highest level of reward.

March is a piece of music written with pace and rhythm. Originally a type of dance music, it was mostly used when crowds were entering and exiting the stage. Since the seventeenth century, it has gradually shifted into the field of music and art. The form of marches at that time was mostly in two-part form; modern marches often appear in three-section form, with the middle section being more lyrical to obtain contrast, and using even-numbered beats for periodic repetition. The accompaniment for the march is usually two-part, with strong and weak beats. They appear alternately, the rhythm is clear, the tune is regular, and the structure is neat. According to the content, it can be divided into military marches, wedding marches, funeral marches, etc. The representative works of march music mainly include: "March of the Volunteers", "Wedding March", "Turkish March", "Athletes' March", etc. These marches were widely disseminated.

"Light music" is a variety in the category of music. To put it figuratively, it is a light weapon in music, roughly the same as essays, jokes, lyric poems, etc. in literature. It is lightweight, popular, compact, easy to understand and easy to accept. It is in sharp contrast to large-scale art forms such as symphony, concerto, cantata, and orchestral music. Among the people, light music is very popular and has extensive social significance and spiritual effects. However, among the works in the form of light music, there are also many works that are low-level and pornographic. Therefore, in terms of the political content of light music, some are good and some are bad, some are progressive and some are backward.

There are many types of light music, including general life songs, lyrical songs, witty songs, and satirical songs, as well as some operettas, waltzes, small orchestral overtures, serenades, and some orchestral sketches and movies. Songs, dance music, etc.

The style and characteristics of light music are more lively and interesting than other forms of music, especially its tunes are particularly beautiful. Some symphonies, orchestral music, cantata and other works often need the help of technical means such as harmony, orchestration, polyphony and so on. In addition to this, light music also relies more importantly on the beauty of the melody. Therefore, light music has stricter requirements for beautiful and light tunes than other music forms. A lyrical song should be graceful and euphemistic; a waltz must have a distinct rhythm and melodious tone; a humorous song should give people a joyful and joyful infection; and a satirical song should be spicy and sharp. The unique performance characteristics of these light music also form its own style.

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