From now through September 22, Amex cardmembers can purchase tickets to Elton John’s special benefit performance of Goodbye Yellow Brick Road at the New Amsterdam Theatre (capacity 1747) on Broadway. Special guests for the night include: Rufus Wainwright, Ben Folds, Jane Krakowski, Stew, Joey Arias, Jake Shears, and the casts of “Hair” and “The Lion…