what are the characteristics of blues music
问题描述：
what are the characteristics of blues music
要英文的
不是要翻译，我是在问布鲁斯音乐的特点是什么
要英文的介绍
答
Blues is a vocal and instrumental form of music based on the use of the blue notes.It emerged in African-American communities of the United States from spirituals,work songs,field hollers,shouts and c...