User:ReVeluv02/sandbox/Birthday (Red Velvet song)

Credits and personnel
Credits adapted from the liner notes of The ReVe Festival 2022 – Birthday.

Studio


 * SM Big Shot Studio – recording
 * SM Yellow Tail Studio – recording
 * SM SSAM Studio – recording
 * SM LVYIN Studio – digital editing
 * SM Blue Ocean Studio – mixing

Personnel


 * Red Velvet (Irene, Seulgi, Wendy, Joy, Yeri) – vocals, background vocals
 * Kim Min-ji – Korean lyrics
 * Ejae – composition, background vocals
 * Kole – composition
 * Isaac Han – composition, arrangement
 * Aaron Kim – composition, arrangement
 * Ghostchild Ltd – composition, arrangement
 * Loosen Door – composition, arrangement
 * George Gershwin – element incorporation of "Rhapsody in Blue" (1924)
 * MinGtion – vocal directing
 * Lee Min-kyu – recording
 * Noh Min-ji – recording
 * Kang Eun-ji – recording
 * Lee Ji-hong – digital editing
 * Kim Chul-soon – mixing