Rappers Lupe Fiasco and B.o.B and country artist Kellie Pickler are scheduled to perform at this year’s OUAB-sponsored “Big Three Concert,” multiple sources told The Lantern Tuesday night.

Sources reported that there would be three concerts between May 19 and May 21. The sources said Fiasco would be performing on Thursday, Pickler on Friday and B.o.B. on Saturday. All of the concerts will be at the Newport Music Hall.

Katie Krajny, adviser to OUAB, said she could not comment on all of the performers, but did confirm that B.o.B. will be playing the Buckeyethon Benefit Concert on May 21, a date confirmed by the rapper’s website. The rapper will also be performing on May 20 in Athens, Ohio, according to Ohio University’s student newspaper, The Post. Krajny also confirmed that the event would work under the title “Big Three Weekend.”

Chelsey Northern, Fiasco’s representative from Atlantic Records, said the rapper was “not locked in” for anything on May 19, but didn’t deny that shows on that date were possible. His current tour will end on May 11 in Lewiston, Maine, according to his website.

Pickler’s representatives at Sony Music Nashville could not be reached for comment, and the performer’s website does not have a listing for May 20.

Fiasco, a Chicago rapper, came to fame with his 2006 album “Lupe Fiasco’s Food & Liquor,” which featured the single “Kick, Push.” The album would earn him three Grammy nominations, including Best Rap Album. In 2007 he released the album “Lupe Fiasco’s The Cool,” which featured the song “Superstar,” a single that would peak at No. 10 on the Billboard Hot 100. He released his newest album, “Lasers,” on March 8.

Bobby Ray “B.o.B.” Simmons, friend and labelmate of rapper T.I., released his debut album in 2010. Among its tracks were two Grammy-nominated songs, Best Rap Song nominee “Nothin’ On You” featuring Bruno Mars, and Best Pop Collaboration with Vocals nominee “Airplanes, Part II,” featuring Hayley Williams of Paramore and Eminem.

Pickler was a contestant on the fifth season of “American Idol,” ultimately placing sixth. She signed to BMA records in 2006, and released the albums “Small Town Girl” in 2006 and a self-titled record in 2008. Her second album featured “Best Days of Your Life,” a song featuring fellow country musician Taylor Swift.

Sources told The Lantern that OUAB will make an official announcement on April 5.

Last year’s “Big Free Concert” featured bands 3Oh!3 and Cobra Starship.

Thomas Bradley contributed to this story.