expression (by words, facial, attitude) / representation (of art, play, music) / performance (of actor, player, ...)

(music) a piano

an emotion, a feeling, feelings, a sentiment

express

oneself / first-person pronoun: I, me (often shows the speaker's lower position in a hierarchy than the addressee) / (Kansai) you

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

street piano

(music) a grand piano