The Roots act as house band for Nicki Minaj

The Roots act as house band for Nicki Minaj
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The Roots worked as the house band for top-selling acts like Nicki Minaj and Ed Sheeran for its annual free concert in Philadelphia celebrating Independence Day.

The Roots' Philly 4th of July Jam was held Friday on the Benjamin Franklin Parkway, where U.K.-based Sheeran closed the three-hour event that also featured Jennifer Hudson and Aloe Blacc.

Sheeran sang "The A Team" as well as his latest hit, "Sing." The latter track is from his new album, "+," which debuted at No. 1 on the Billboard 200 albums chart this week.

The event starring Questlove, Black Thought and other members of the hip-hop band aired live on VH1 and Palladia.

Pop singer Ariana Grande was supposed to be part of the lineup Friday, but pulled out because of a family emergency.

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