This Elvis Presley photo contains
costume d'affaires and costume d’affaires.
There might also be
costume, costume de vêtements, robe costume, robe complète, frac, manteau de queue, queues, cravate blanche, cravate blanche et la queue, robe longue, tailcoat, tail coat, tails, cravate blanche et queues, habit, robe pleine, and queue de pie.
@RemasterGroup -I did some EQ, pitch correction and a slight reverb to make it sound plus authentic. I think the result is pretty good considering the well-known quality from the soundboard recording.