It's hard to believe now, but there was a time when some popular music was making strong anti-establishment statements. Leaders in that field were the Clash, who did two absolute masterpieces - their first album "The Clash" (1977) and their third album "London Calling" (1979) are both timeless classics.
This photo of Paul Simonon smashing his bass guitar onstage at the New York Palladium in September 1979, taken by British photographer Pennie Smith, became one of the most iconic album covers of all time, but that cover is actually a rip off of Elvis Presley's debut album from 1956!
https://www.loudersound.com/features/the-clash-london-calling-album-artwork
Here is the title track from London Calling - the entire double album is brilliant, and still sounds cutting edge nearly 45 years later
https://www.youtube.com/watch?v=EfK-WX2pa8c
