 Billie Eilish Finneas OConnell, producer; Rob Kinelski Finneas OConnell, engineersmixers; Billie Eilish OConnell Finneas OConnell, songwriters; John Greenham, mastering engineer THANK U, NEXT Ariana Grande Tommy Brown, Ilya, Max Martin Victoria Monet, producers; Serban Ghenea Brendan Morawski, engineersmixers; Tommy Brown, Ariana Grande, Savan Kotecha, Max Martin, Victoria Monet, Tayla Parx Ilya Salmanzadeh, songwriters; Randy Merrill, mastering engineer I USED TO KNOW HER H.E.R. 