What wows ' em are Broadway-style showstoppers , with music and lyrics by Stephen Schwartz , whose work has become less tuneful and more pretentious since the heady days of Godspell and Pippin . Schwartz 's rhymes are all of the moon-June variety , and the big inspirational number , in which hope is conceded sometimes to fly away , like silver birds , Who knows what miracles you can achieve / When you believe ?
Big , dramatic songs are what excite the audience .