The whole song is A-B-A
It is a trilogy, showing a warm atmosphere from beginning to end. Section A of the music is in the key of G major and has two themes: the first theme melody jumps down, which is a sign before the storm is coming, and the atmosphere is lively; the second theme melody steps down, from which you can clearly hear the "lightning flash" The sound of "Thunder" seems to be a real scene of thunder and lightning and heavy rain. This is the colorful part of the whole song. The B section of the music shifts to the key of C major, and the theme is in a singing melody, interspersed with scenes like "lightning and thunder" from time to time, with intertwined colors and extremely vivid colors. The total duration of the song is not long, but it is enough to leave an indelible impression on the listener.