The so-called popular music (pop music), the accurate concept should be commercial music, that is, music created with the main purpose of profit. Its commercial nature is primary and its artistic quality is secondary. Although some songs are sung with popular singing methods, they are highly ideological and artistic. Such songs are not commercial songs. Such as "Great China", "Everyone rows oars and sails a big boat", "Asian Glory", "The Moon on the Fifteenth Day is Sixteen Round", "What a Big Tree", etc.