This Bruno Mars photo contains
costume d'affaires and costume d’affaires.
There might also be
fedora, chapeau de feutre, homburg, stetson, trilby, hombourg, and chapeau de feutre trilby.
piano cover and tutorial for Locked Out of Heaven par Bruno Mars from Unorthodox Jukebox album. This piano arrangement is made par Pianocrumbs and available online at: link