Powerful Tony-nominated musical Next to Normal is quietly developing the kind of devoted following usually enjoyed by showy blockbusters like Wicked and The Lion King. Fans of all ages eagerly wait at the Booth Theatre stage door for the stars to emerge. Once the cast—led by Alice Ripley, J. Robert Spencer, Jennifer Damiano and Aaron Tveit—appears, there is a frenzy of applause, autographs and sweet exchanges between the friendly performers and audience members moved by this poignant show with an invigorating score.