Her sister was one of the biggest female singers of the 1960s who rocked the stage with Jimi Hendrix and dated Kris Kristofferson. Who is she?
She worked with Jimi Hendrix and the Grateful Dead as well as Tina Turner. And she dated Kris Kristofferson. Though her music has made an impact for decades, this crooner died in her 20s
Source: dailymail.co.uk