The Band Perry will perform on the season finale of American Idol next week. The Hollywood Reporter says the group will team up with recently-eliminated contestant Janelle Arthur .
In addition, season-eight runner-up Adam Lambert will perform with finalist Angie Miller . Legendary crooner Frankie Valli will sing with the top five male contestants.
Former American Idol judge Jennifer Lopez -- whom the show's executives reportedly are pursuing to rejoin the panel -- is also said to be among the musical guests for the finale, which will air May 16 on Fox.
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