"Escape to Margaritaville" will close July 1st; "The Band's Visit" will tour in June 2019; Donna Murphy returns to "Hello, Dolly!" for six performances; Katharine McPhee extends her time in "Waitress"; Audible enters into a deal with Off-Broadway's Minetta Lane Theatre; the New York Times compiles the 25 best American plays of the past 25 years