He didn't actually know any songs or how to play an instrument and, in fact, just threw cantaloupes at the audience during his concerts, but he was able to hide this ignorance by telling people that he was just "jamming out."
Madness string 45764
People decided that since light and beauty were what mattered, nothing else had value, and also they had to protect that light and beauty from being tainted by everything else. Then they realized that they had different definitions of 'light and beauty'.