【正文】
azz. 5. Blues: Blues is a type of music which started as songs sung by African Americans while they were working. The first blues music was played in the southern United States in the late 19th and early 20th centuries, using instruments such as guitar, piano and harmonica. The words of early blues songs often consisted of a single line repeated two or three times before changing. 6. GRAFFITI: In the text there is an expression “ graffiti art” , first we should know what graffiti is. It refers to words or drawings, especially humorous, rude or political, on walls, doors, etc. in public places. GRAFFITI, 漢語為“涂鴉”,可以說是一種書法