Pop music has become
- slower in tempo,
- “sadder” and less “fun” to listen to,
- melodically less complex, using fewer chord changes, and recordings are mastered to sound consistently louder, and
- more repetitive over the years, and that song lyrics from today compress 22% better on average than less repetitive song lyrics from the 1960s.
2. There has been a significant increase in the use of the first-person word “I” in pop song lyrics, and a decline in words that emphasize society or community.