Reference Soundcheck – Reference Sound Edition [2014, Ger, In-Akustik]

Blues is a music genre and musical form which was originated in the Deep South of the United States around the 1870s by African-Americans from roots in African musical traditions, African-American work songs, and spirituals.

Folk music includes traditional folk music and the genre that evolved from it during the 20th-century folk revival. Some types may be called world music