Because they evolve at different rates even though they are both art forms. They had different influences the time period wont effect it.
some of my fav songs:
1. when will i you again by shakka
2. Just the two of us by Grover washington jr. and Bill withers
3. no role modelz by J. Cole
4. I love you by Billie Eilish
5.Therefore I am bye billie eilish
6. My future by Billie Eilish
7. Girls by girl in red
8. we fell in love in october by girl in red
9. money machine by 100 gecs
10. Bad by michel jackson
I usually turn on lofi hip hop music, it has no lyrics, it’s just really calm aesthetic music i recommend