: Commonly relies on electric guitars, bass, drums, and synthesizers. Lyrical Content
If the Hook is the body of pop, the sentiment is its soul. The Index categorizes music by the specific utility it serves in a listener's life. This is the "Emotional Dewey Decimal System." index of pop music
Visuals become mandatory. This is the watershed moment for the index due to Michael Jackson's Thriller (still the best-selling pop album). : Commonly relies on electric guitars, bass, drums,