Rihanna, Zac Brown Band to headline Final Four's 3-day music festival in Indianapolis

Grammy Award winners Rihanna and the Zac Brown Band will headline this year's March Madness Music Festival.

The free, three-day concert series will be held April 3-5 in Indianapolis, which is hosting the Final Four for the seventh time.

Rihanna and the band Bleachers will perform April 4 at White River State Park along with Bleachers. Rihanna's song "American Oxygen" is currently being used in NCAA Tournament promotions.

The Zac Brown Band and award-winners Lady Antebellum and Kacey Musgraves will perform April 5. Organizers have not yet announced the lineup for April 3.

For the first time, the concerts also will be streamed live online at http://www.ncaa.com/musicfest.