Blues music: also called blues, is recognized as one of the roots of contemporary pop music. It is actually a folk music style of African Americans. It took shape long before the Civil War. Black slaves created unique scales and harmonies for it, and used it to relieve the boring life and express their homesickness. This made the blues The music has a strong sense of resentment from the beginning, so it is also called "resentment music" and is a symbol of melancholy.

Blues music focuses on the ability of the performer and singer's "soul" to be connected with the music, that is, the ability to improvise. The use of major and minor seventh chords in his system, the scales of flat thirds and flat sevenths, as well as the guitar string bending techniques, had a profound influence on almost all contemporary pop music styles.

The origin of jazz comes from a kind of piano music called "Ragtime". "Ragtime" is the transliteration of the word Ragtime. The meaning of the word is "jagged beat". Therefore, it is also called "Sanpai music". It also developed from African folk music. At the end of the 19th century, a black pianist named Scott Joplin (1869-1917) created a new style of piano music: the right-hand treble part plays a main melody or a very special syncopated rhythm. Arpeggio. In general music in 4/4 time, the first and third beats are strong beats, and the second and fourth beats are weak beats. In the treble part, every beat and a half, that is, three eighth notes, there is a strong sound, and the left hand It is to regularly play a rhythm composed of light and heavy quarter notes. The first and third beats are bass strong beats, and the second and fourth beats are chords and weak beats. In this way, the left and right hands form an interlaced beat, which makes the music humorous, joyful, and lively. Due to this creation, Joplin is known as the "King of Ragtime".

Hip-hop is the transliteration of hiphop, which refers to the fast-paced dance music style.

RAP is rap, which includes many rap methods, including Gangsta Rap, a powerful rap music type that adds rock (ROCK); and Hip Hop adds RNB to rap. The music type includes party-style music that rocks the hips, legs, and steps, and is very popular among young people! (It is very popular in Europe, America and South Korea!) In short, Hip Hop is a comprehensive music type that adds electronic dance music and RNB, and is more suitable for gatherings with many people. Rap, on the other hand, is relatively simple for rap, and the music is relatively simple.