This Lady Gaga photo contains
debout, piano droit, vertical, pianiste, accompagnateur, piano, pianoforte, and piano forte.
There might also be
grand concert, concert de piano, concert grand piano concert, piano de concert, bébé grand, grand piano, un salon grand, grand piano salon, salon grand, piano grand piano, grand salon, grand bébé, baby grand piano, parlor oké, and salon grand piano.