The Mexican American rocker has been added to the bill, along with bluegrass, Irish music, Creole and Sacred Steel bands.

The unretired songwriter is playing Philadelphia for the first time in seven years. "It's a joy to be back," he said.

'Always Been' was recorded in L.A. but has deep Philly roots. From its producer, to its vocalist and setting.

From “Streets of Philadelphia Sessions” to “Perfect World,” the Boss has emptied the archives. What treasures are in store?

Cathy Rong, Questlove's chief of staff, plans semi-regular game nights for the Roots frontman and documentarian. Here are her tips for elevating the gatherings.