Shari, our Theatre Critic in Residence, has given us  the skinny on the upcoming Spring Musicals and it is enough to warm any  theatre lover’s heart: Warmer weather and the new Spring Broadway season will be here before you know it, with some shows already beginning previews. Here are a few musicals that are coming up soon—two revivals and one new work. (Keep in mind that dates are subject to change). For a look at the season’s upcoming plays, read