STEVE INSKEEP, HOST:

Good morning. I'm Steve Inskeep. I've spent some years on the radio. In fact, I've been working early hours on this program for close to 19 years.

SACHA PFEIFFER, HOST:

That is a long time to be waking up at 3 in the morning.

INSKEEP: But it's nowhere near the longevity of a new Guinness World Record holder. Mary McCoy started working as a DJ in 1951 when she was 12. Seven decades later, she's still on the air with a two-hour country music show six days a week on KVST. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.