The essence of music comes from people’s hearts, and the same is certainly true for pop music. No matter how the form changes and develops, its "core" or "content" will not change. It is for people to express and express their inner emotions, whether it is sadness, pain, happiness or excitement. Under the influence of singers and musicians' creation, exploration, personal preferences, personal experiences and other factors, the expression of music continues to develop during singing and performance, forming natural "differences". In order to help people better understand and appreciate music, music appreciators and music teachers classify and summarize music, forming different types, and each type can derive many branches.

Pop music is instrumental music and songs that are popular in content, lively in form, and sincere in emotion. They are loved by the masses, widely sung or appreciated, and are popular for a while and even passed down to future generations. These pieces of music and songs are rooted in the rich soil of public life. It is known as "popular music". Today, popular music encompasses an extremely wide range of content. The characteristics of pop music are: distinctive rhythm, lively or lyrical beauty, various playing methods, smooth and easy-to-sing tunes, which directly express people's emotions and feelings; lyrics are mostly in daily life language, simple and easy to be accepted and sung by listeners ; Singers are mostly pop stars with their own style. When singing, emotions are more important than vocal skills. They are natural and friendly, and can easily arouse the audience's screams. Generally, listeners who do not have deep music theory and technical skills or even no music knowledge are interested in singing. Acceptable. Pop music is also popular music. As a popular cultural phenomenon mainly for entertainment, the development of pop songs is closely related to the development of society and has become a part of daily life. However, pop songs are not only art, but also entertainment and spiritual sustenance. They are also realistic records that reflect people’s lives and are even indicators of popular thoughts and ideologies. The songs we listen to now, such as Jay Chou, Jolin Tsai, Zhang Huimei and other singers, their songs are all pop music. For the audience, pop music is short, popular, catchy to sing, and does not require the audience to More specifically, it can be understood only by relying on the spiritual understanding and perceptual knowledge of music.