Stage

Webber Concert Extends Run: “The Music of Andrew Lloyd Webber,” scheduled to open Dec. 26 at the Shubert Theatre, has already extended its run to include six more performances through Jan. 7. Showcasing the work of the megahit composer of “Phantom of the Opera,” “Cats,” “Evita,” “Joseph and the Amazing Technicolor Dreamcoat” et al., the concert bash stars Sarah Brightman, a.k.a. Mrs. Andrew Lloyd Webber, who created the London and Broadway “Phantom” role of Christine.