JOHNNY-COME-LATELIES The Cash-inspired ''Ring of Fire'' stars Beth Malone and Jarrod Emick

Ring of Fire: Joan Marcus

Three Acts

Check out our roundup of three new shows from the Great White Way and beyond: David Browne reviews Ring of Fire, the Johnny Cash jukebox musical; Jason Clark reports on the period farce ''Measure for Pleasure,'' and Michelle Kung shares her thoughts on ''Grey Gardens,'' an ambitious musical adaptation of a documentary.

First up: Ring of Fire...