African-American music, which has become widely renowned, contains many branches such as slave music, Blues, and Hip-hop that express people’s hardship and difficulty. Many pieces of evidence can show slave music is the origin of African-American music, because the features of African-American music such as rhythm patterns, off-key notes, are very close to those in slave music. Also, the distinctive elements, irregular rhythms, tones, and bodily movement in African-American music are as same as those in slave music.Moreover, the reason that slave music is the origin and the foundation of African-American music is that it affected the form of Blues and that of jazz which later became the popularity in 18th American
