This The Office screencap contains
costume d'affaires and costume d’affaires.
There might also be
costume, costume de vêtements, bien habillé personne, costume, costume pantalon, tailleur-pantalon, pantalon costume, pantsuit, personne bien habillé, pantalon de costume, costume mou, maillot de bain, and costume de mou.
A very nice man teaches some of us who are musically challenged such as myself how to play that catchy theme song on the piano. :3 I didn't make it. I don't take credit for it.