Vorspiel act afterpiece bit chaser coming out concert overture curtain curtain call debut descant divertimento divertissement dramatic overture embarkation embarkment epilogue exode exodus expository scene finale first appearance floating flotation hoke act inaugural address inauguration induction initiation installation installment interlude intermezzo intermission introduction launching maiden speech number opener operatic overture overture preliminary prelude prologue routine scene shtick sketch skit song and dance stand-up comedy act striptease turn unveiling vamp voluntary