Hitting theatres this winter, the film will feature music by Lin-Manuel Miranda and Lebo M., and many of the voice actors from the 2019 adaptation of the original film.
The two-time Tony winner explores arts education at four Los Angeles organizations in the new special.
Composer Ingrid Michaelson also chats with host Clarkson about the new Broadway musical.
The song will be heard in Peacock's upcoming event series The Tattooist of Auschwitz.
Created, written, and narrated by Tony winner Buckley, The Mayfly is a love letter to music and New York City.
Da'Vine Joy Randolph and Halle Bailey are also in the cast, with Pharrell Williams producing.
Lissette Feliciano is set to write and direct.
The mononymic star is currently promoting her newest film Challengers, where she stars opposite Tony nominee Mike Faist.