The Dominican singer will perform at the free July 27 event in Orlando at Wall Street Plaza.
Royce says: "I think for me it's a great way to continue to gain a bigger audience. It's a whole different type of crowd."
The concert will kick off five days of soccer festivities, with the MLS All-Star Game capping off events July 31 at Exploria Stadium.
Royce released his self-titled debut in 2010, topped the Latin charts with "Corazon Sin Cara," ''Las Cosas Pequenas" and "Darte un Beso," and earned 13 Latin Grammy nominations.
He released a new song, "Curame," last week.
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