The answer is a hidden curriculum. It is a byproduct
of an education, "[teachings] which are educated but not acquiescently envisioned"
such as the show of standards, principles, and views took in the classroom and
the community environment. Some learning experience may impart unintentional
lessons.
The correct answer is The Family Dog.
The Family Dog Productions, founded by Chet Helms, a music promoter, was famous for organizing many dances of psychedelic nature at ballrooms in San Francisco. They were quite popular, especially during this era of Summer of Love (1967), and were associated with performers such as Janis Joplin, Jimmy Hendrix, and others.