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Incubus' Brandon Boyd is going to be on American Idol. On Instagram, Boyd announced he is joining the singing competition as a guest mentor during next week's celebrity duets episodes. He said he is humbled to sing alongside them. Tori Kelly, Jason Alden, Brian McKnight are also scheduled to appear on the episodes.
Other famous participants include Josh Groban, OneRepublic's Ryan Tedder, Jewel, Maroon 5's PJ Morton, Brian McKnight, country stars Jason Aldean and Jimmie Allen, singer/songwriter Ben Rector, soul singer Joss Stone, pop star Tori Kelly, and American Idol season five runner-up Katharine McPhee.
The All-Star Duets Week episodes will air April 4 and 5. Each all-star will sing separately with two of the top 24 contestants, who'll be revealed tonight on ABC. The 16 contestants who survive those shows will then move on to the live shows, which begin April 11.