Iconic Music Festival of the Counterculture

In the late 1960s, a prominent aspect of the American counterculture was the rise of a musical and social revolution that reflected the values and ideas of the time. The counterculture primarily consisted of young Americans who sought to challenge authority, embrace peace, and express their individuality through art, music, and lifestyle choices. Recognizing this transformative period, which of the following music festivals is most famously associated with the counterculture movement and exemplified the ideals of peace, love, and music?