The chirp of the red light is dadada. The song "DADADA" has a very cheerful melody, which interprets the joyful feeling of the song through the sweet voice and dance steps of the sweetheart leader Cyndi Wang. Many unique musical elements are added to the song, which makes the audience feel relaxed and happy, especially suitable for people with great pressure in real life. This happy dance music creates a jumping and joyful atmosphere with a simple and easy-to-sing melody, which can bring a strong sweet atmosphere to the audience.