Traditionally concerts at Ravinia were jazz or classical, but for a short time in the late 1960s, it had rock concerts as well, until Janis Joplin's 1970 concert "put an end" to that.
Traditionally concerts at Ravinia were jazz or classical, but for a short time in the late 1960s, it had rock concerts as well, until Janis Joplin's 1970 concert "put an end" to that.
