Retro Without Irony, by Stephanie Zacharek
There's nothing opportunistic about this production, directed and choreographed by Rob Ashford: He and his cast revel in the show's modest but potent charms instead of attacking the material with superior everything-was-so-corny-back-then winks and nudges. It treats Bacharach's melodies as the buoyant, intricate structures that they are, not just weird curios from another age. Set in 1962 Manhattan, the show is pleas…