Chart-topping superstars The Roots, Nicki Minaj and Aloe Blacc are among the acts scheduled to perform at the 21st anniversary of Philadelphia’s Wawa Welcome America July 4th festival.

Nicki and Aloe will be backed by the legendary hip-hop band, who are also curating the concert.

In addition, singers Ed Sheeran, Jennifer Hudson, Ariana Grande and 'The Voice' finalist Vicci Martinez are on the Independence Day bill as well.

"We think about every demographic that's going to be there," said Questlove about the performance line-up. "It's going to be 600-700,000 people so we just want to cover everybody."

The festival is a week-long event that will run from June 28 through July 4. For more information head over to the Wawa Welcome America website.