[Opinion]

Sound might have peaked in the 1970s.

Evidence:

"I'd trade all my tomorrows for a single yesterday
Holdin' Bobby's body next to mine"

Kris Kristofferson, Fred L Foster

More Evidence:

"Mars ain't the kind of place to raise your kids
In fact, it's cold as Hell"

Bernie Taupin, Elton John

"There were lines on the mirror, lines on her face"

Joseph Fidler Walsh, Glenn Lewis Frey, Donald Hugh Henley

"She works hard for the money
So hard for it, honey
She works hard for the money
So, you better treat her right"

Michael Omartian, Donna A. Summer

At least song writing probably did.

[/Opinion]

[Opinion]

Sound might have peaked in the 1970s.

Evidence:

I really like this jacket, but the sleeves are much too long.

Motorhead