Concert review: Rufus Wainwright at The Egg

There’s more than just music in the Wainwright gene pool. Also, self-deprecating humor and the general ability to entertain. All this came through Saturday night at The Egg, in the concert by Rufus Wainwright with an opening performance by his half sister Lucy Wainwright Roche. (Their father is the folk singer Loudon Wainwright.) Lucy offered a handful of fine original folk ballads but she could consider working in stand...