Since classics like the Beatles and the Rolling Stones, which aspects of pop music have changed? According to a study reported by Tom Jacobs, the most striking changes are found in rap music. In addition, although harmonic progressions still are fairly homogeneous, the predominance of seventh chords seems to have waned, bringing popular music further from jazz idioms. This splitting might help to explain the relative lack of popularity of jazz.
Article : http://www.psmag.com/books-and-culture/the-continuing-evolution-of-pop-music
Date : 06/05/15
Author : Tom Jacobs
Source : Pacific Standard