“HAIR”

**** Director Diane Paulus and an incandescent cast turn “the American tribal love-rock musical” into a can’t-miss event. Hirschfeld Theatre, 302 W. 45th St.; 212-239- 6200.

“MARY STUART”:

*** It’s hard to top classic drama for sheer thrills. As Elizabeth I and Mary Stuart, respectively, Harriet Walter and Janet McTeer duke it out in awesome fashion. Broadhurst Theatre, 235 W. 44th St.; 212-239-6200. Closes Aug. 16.

“NEXT TO NORMAL”:

** Mental illness is a daring subject for a musical, but despite flashes of insight, this tuner falls short of its ambitions. Booth Theatre, 222 W. 45th St.; 212-239- 6200.

“9 TO 5”:

*** Don’t listen to the haters: This revenge fantasy is a hoot, Allison Janney rocks, and Dolly Parton’s songs were made for the musical theater. Marquis Theatre, 1535 Broadway; 212-382-0100. Closes Sept. 6.

“ROCK OF AGES”:

**½ A jukebox musical for skittish straight guys who love ’80s rock and ordering booze from their seats. Brooks Atkinson Theatre, 256 W. 47th St.; 212-307-4100.

“WEST SIDE STORY”:

*** Some of director Arthur Laurents’ choices may be debatable, but you still shouldn’t miss the opportunity to see and hear this masterpiece live. Palace Theatre, 1564 Broadway; 212-307-4100.