Appraisal: 1969 Janis Joplin Concert PosterPBS NC is your local station. Change ...

This poster advertising a concert by Janis Joplin at San Bernardino’s Swing Auditorium is an emblem of the era. A reproduction is on display at the National Blues Museum in St. Louis.

Onstage, Joplin oozed confidence, sexuality and exuberance, but biographer Holly George-Warren describes the singer as a bookworm who worked hard to create her "blues feelin' mama" musical persona.

SAN FRANCISCO (KGO) -- Although mandatory mask-wearing was not a thing during San Francisco's Summer of Love, we now know what 60's rock icons Janis Joplin and Jerry Garcia might have looked like ...