A underdog musical by 11 composers that whisks audiences through a 75-minute tour of foibles of a modern travel. From a giddy spoof of Montserrat’s ashy beaches to a deadpan ballad about Uzbekistan’s dubious tourist attractions — all without a single hah about airline food — Secrets Every Smart Traveler Should Know‘s song-joke-song ethic is a little old-fashioned, but it’s nimble wit isn’t. B+