Credits and personnel
Which artists can be credited with completing mastering "What Makes You Beautiful"?
What Makes You Beautiful
"What Makes You Beautiful" Warren Casey – writing Tom Coyne – mastering Carl Falk – writing, production, programming, instruments, guitar Serban Ghenea – mixing John Hanes – mix engineering Jim Jacobs – writing Savan Kotecha – writing Phil Seaford – mix engineering assistance Rami Yacoub – writing, production, programming, instruments, bass Featuring a musical sample of "Summer Nights" from the musical "Grease". "Na Na Na" Dick Beetham – mastering Iain James – writing Savan Kotecha – writing Matt Lawrence – engineering Greg Marriot – engineering assistance James Murray – writing Matt Squire – writing, production, backing vocals, mixing Mustapha Omer – writing