She retired from the music business nearly thirty years ago, with the wise words, 'All rock-and-rollers over the age of 50 look stupid and should retire.' In a later interview, she expanded on this theme: 'You can do jazz, classical, blues, opera, country until you're 150, but rap and rock and roll are really ways for young people to get their anger out ... It's stilly to perform a song that has no relevance to the present or expresses feelings you no longer have.' If only more ageing rock-and-rollers knew when to give up.
Here's Grace in her prime, giving it some at Woodstock...