Section A represents the verse, and section B is the chorus. The structure of music has a specific type. The structure type of the first and second parts of the climax is called Form in music theory. Most of the ordinary songs are in AA'BA' form.

The general structure of pop songs is verse (Verse) (A), chorus (Chorus) (B), transitional sentence (insert sentence) (C), popular sentence (memory point) (D) ), bridge (Instrumental and Ending) (prelude, transition, interlude) (E), etc. Generally speaking, the single and two-part form is the most common. The verse can be said to be the content, the backbone of every piece of music.

Form Usually the structure of a song is composed of an intro, two verses, a chorus, transition music, another chorus and verse, and ending music sequentially. There are many different types of Form, such as Blues Form, Jazz Form; terms such as Sonata, Ternary, Rondo or Rondo-Sonata for classical music.

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Related introduction:

Usually the structure of a song consists of an intro, two verses, a chorus, transition music, and then The chorus, verse, and ending music are connected in sequence. After the chorus is played, music usually follows. A fill-in may be a verse or a chorus, a certain melody in it, or even the melody of the intro.

The melody of the verse and chorus should not be similar, but also should not be off topic. The chorus must contrast with the verse in rhythm and emotion. It is the most important factor in the spread of popular songs. You must not ignore it, but you cannot not restrain your emotions. The climax of the song is often designed to appear in the chorus, and the climax The content often requires generalization.

Reference: Baidu Encyclopedia - Chorus