He plays the heavily manipulated audio (a “vocal chop,” as Eilish calls is), and Eilish asks Finneas if he has the original sound from which that came. He did and he played it, and it was Eilish singing,

“Birds of a Feather” is Eilish’s second Pop Airplay top 10 from her latest album, Hit Me Hard and Soft, after “Lunch” reached No. 10 in August. The set, released May 17, has earned 1.5 million equivalent album units in the United States through Sept. 12.