The definition of pure music is very simple, it is pure music, music without singing.

Light music is adapted in popular techniques and played by a small band to create a warm and romantic atmosphere. The melody is relaxed and beautiful, with a casual nature. Light music has a simple structure, bright rhythm and beautiful melody. It has no profound connotation and just wants to bring people relaxed enjoyment. Because of its lightness and liveliness, it is very appropriate to call it light music. But it is different from pop music with pop songs as its core. Pop music has distinct characteristics of the times. Unlike popular pop songs that will quickly become outdated, beautiful melodies will last forever. It is between classical and popular, a sharp contrast between the two, and can be described as the third force. It has both classical and modern flavors, is gorgeous but not gaudy, romantic but not frivolous, lyrical but not lingering. It is easy to understand, elegant in style, and extraordinary in demeanor. It can be said to be the most elegant and popular. Light music has been widely welcomed since its emergence. The Mantovani Band, founded in the late 1930s, is a symbol of the birth of light music. Mantovani's extremely soft and melodious, graceful and intoxicating playing quickly established his position in the popular music scene. Its heyday was from the 1960s to the 1970s, when a large number of light music bands were established, such as the James Rast Band, the Paul Moriah Band, and so on. They continue to hold light concerts in Europe and the United States, and record a large number of exquisite records, which sell well all over the world. This kind of music is refreshing for classical music fans, just like people who often wear suits change into casual and natural casual clothes. For pop lovers, after the impact of shouting at the top of their lungs, light music is like a cool and refreshing drink.

Most of the light music pieces are adapted. Among them, European and American pop songs account for a large proportion, and many of them are popular songs on the British and American charts, such as "Yesterday", "The Rhythm of the Rain", "I Love Paris", "Blue Love", "Lily——Mar" Lin" and so on. These songs have been adapted to downplay the popular elements of the original songs and highlight the beautiful melodies, making the music more beautiful and pleasant to the ears. To this day, many of the hit songs have been forgotten, but the light music adaptations remain deeply in people's minds.

Theme music or interludes of European and American movies, especially Hollywood movies, musicals, and stage plays, are another source of adaptation of light music. Musical pieces such as "Moon River", "Time Passes", and "Love Story" have become classics of light music.

Using popular music language to perform classical music is a passion of many light music bands. A good arrangement and performance not only retains the classical spirit of the original music, but also incorporates a distinct modern flavor. Classical music fans feel that it has a unique charm, making those who stay away from classical music feel that the distance between it and classical music has been shortened and improved. Appreciate interest. Bach's "Ave Maria", Schubert's "Serenade", Beethoven's "Moonlight", etc., adapted into light music, sound unique and full of brilliance.

Ethnic folk music from all over the world is also an object of adaptation. Such as the British "Last Rose of Summer", Italy's "Return to Sorrento", Canada's "Red River Valley" and Latin music, etc. In addition, some widely circulated romantic ditties such as "Girl's Prayer", "Romance of Love", "Green Sleeves", etc. are also frequently played by light music bands.