Index Of Pop Music -
A chronological index of pop music generally moves through these "defining" sounds: The birth of Rock 'n' Roll (Elvis Presley, Chuck Berry).
To the outside world, pop was just a fleeting danceable tempo or a catchy hook , but to Elias, it was a living map of human history. Each card in his index was a cross-reference of emotions: a breakup in 1964 linked to a synth-heavy anthem from 1985, both sharing the same mathematical "hook" that made the chorus memorable . index of pop music