Verb
join the choir invisible (third-person singular simple present joins the choir invisible, present participle joining the choir invisible, simple past and past participle joined the choir invisible)
(intransitive, chiefly humorous, euphemistic) To die.
Oh may I join the choir invisible Of those immortal dead who live again In minds made better by their presence. George Eliot
So shall I join the choir invisible Whose music is the gladness of the world. George Eliot
So when my own time comes to join the choir invisible or whatever, God forbid, I hope someone will say, "He's up in Heaven now." Who really knows? I could have dreamed all this. Kurt Vonnegut