Want to know the secret to rockin´ long after you´ve collected your bus pass?
Then check out this video.
One oldie that needs no encouragement when it comes to rockin´ is 76-year-old Graciela Mora.
The grandmother recently attended Metallica´s concert at Santiago in Chile.
She told Emol.com: “I love Metallica. I've been a fan since I was young.”