Mark Wahlberg rehearses for the Festival of Families

Mark Wahlberg will emcee the Festival of Families tomorrowing, introducing the likes of Aretha Franklin, Colombian rock star Juanes and classical singer Andrea Bocelli

But you know what they say about practice and perfection, so Wahlberg took time out of his busy burger-slinging schedule to rehearse for tomorrow festivities.

Wahlberg is no stranger to Philadelphia, after filming both Shooter and Invincible, about former Eagle Vince Papale, in the area. He says it reminds him of his hometown of Boston. “"Good people. Hardworking people. No nonsense. No BS. They tell you what they're thinking, whether you ask them or not,” Wahlberg said of Philadelphians