-The "Hippie" counterculture movement in the 60s and 70s had many people thinking in non-traditional ways and listening
to non-traditional music.
-Marijuana, LSD, mescaline, and heroin use
-Many worry-free sexual relations with the birth control pill being introduced in 1960
-Free thinking liberal views
-Philosophical thinkers and their musings. "Stairway to Heaven" is an example of a song that has deep philosophical