Folk music
Different people have different views on such a concept as folk music. Sometimes people feel quite strongly about the definition of folk music.
Music of Protest: How Social Crises of the 20th Century Shaped New Musical Genres
Throughout the 20th century, periods of social crisis repeatedly transformed the way people created and listened to music....
Rogers Hollis
The general concept of style in music
Style is the sum of all the elements and techniques used in music, its “final” appearance. Style includes harmonic, melodic, polyphonic, and rhythmic material
