The answer is: very annoying. I got bored on the recursive and infernal Verizon phone tree and made a list of plays—

The Lady's Not for Burning, Christopher Fry (1949)
A Dybbuk or Between Two Worlds, S. An-sky (1920)
The Tragical History of the Life and Death of Doctor Faustus, Christopher Marlowe (1604)
The Revenger's Tragedy, Thomas Middleton (1606)
Amadeus, Peter Shaffer (1979)
Breaking the Code, Hugh Whitemore (1986)
Bacchae (Βάκχαι), Euripides (405 BCE)
4.48 Psychosis, Sarah Kane (2000)
Much Ado About Nothing, William Shakespeare (1598/9)
The Big Broadcast of October 30, 1938, Rob Noyes, Neil Marsh & Alicia Goranson (2009)

I didn't include musicals or operas. Those could get a list of their own. Oh, God, I hope I won't have the time.