The Mamma Mia! revival became one of the top five earners on Broadway last week, with the ABBA musical selling out and grossing $1,573,128 for seven previews at the Winter Garden. That figure puts Mamma at fourth place on the Top 5 roster, behind Wicked, $2,244,288; The Lion King, $2,230,569 and Hamilton, $1,704,651, and just [...]