 The documentary film of the festival that was released to theaters in 1970 includes, on the left side of a split screen, 37 seconds of footage of Joplin and Caserta walking toward Joplin's dressing room tent.In addition to Woodstock, Joplin also had problems at Madison Square Garden, in 1969.Biographer Myra Friedman said she witnessed a duet Joplin sang with Tina Turner during the Rolling Stones concert at the Garden on Thanksgiving Day.