The singer discusses her career and her signature hit in the new PBS documentary 'Brenda Lee: Rockin' Around' Jeremy Helligar is an Executive Editor at PEOPLE and an author (Is It True What They ...

Brenda Lee's rockin' around the Hot 100 ... it had sold nearly 25 million physical copies worldwide. 15 years later, it's her third ever Hot 100 number one and broke a multitude of records.