When The Marvelous Wonderettes, a crinolined quartet of powerhouse girl singers, line up friskily behind their mics and belt out the opener, “Mr. Sandman,” with such flawless harmony and contagious glee, you instantly know you’ve been transported to pop musical heaven. Suddenly ‘50s nostalgia feels fresh and fun again.
The recently opened Off-Broadway show is set in 1958 at the Springfield High Senior Prom, and then later fast-forwards to the 1968 reunion.