The 2024 inductees into the Rock & Roll Hall of Fame will be announced live coast-to-coast during a Rock Hall-themed episode of American Idol on Sunday (April 21).

The inductees will be announced by American Idol host Ryan Seacrest along with judge (and 2022 Rock Hall inductee) Lionel Richie. The episode will air 8-10:01 p.m. ET and 5-7:01 p.m. PT on ABC, with a repeat scheduled for 8-10:01 p.m. PT on the West Coast.

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Mariah Carey, a past Idol judge, is among this year’s nominees for the Rock Hall, along with Mary J. Blige, Cher, Dave Matthews Band, Eric B. & Rakim, Foreigner, Peter Frampton, Jane’s Addiction, Kool & the Gang, Lenny Kravitz, Oasis, Sinéad O’Connor, Ozzy Osbourne and A Tribe Called Quest.

In that same episode, Gene Simmons will serve as a guest mentor for the top 14 Idol contenders. Simmons was inducted into the Rock Hall in 2014 as a member of KISS.

On the Monday (April 22) episode of Idol, the theme is an Idol perennial: Billboard No. 1 hits. Meghan Trainor will be the guest mentor for that episode. Trainor topped the Billboard Hot 100 for eight consecutive weeks in 2014 with “All About That Bass.” That episode will air live on the East Coast from 8-10:01 p.m. and on tape delay on the West Coast in the same time slot.

Upcoming themed episodes include the unveiling of the top 10 (April 28), judges’ song contest (April 29) and Adele night (May 5).