Blondie is lending songs - including "Heart of Glass" and "One Way or Another" - to a West End musical based on the 1985 Madonna film Desperately Seeking Susan, says the AP. Emma Williams ( Bat Boy) will channel the Material Girl.... Claire Danes makes her Broadway debut as Eliza Doolittle to Jefferson Mays' Henry Higgins in Pygmalion, opening Oct. 18.... Xanadu, whose Broadway bow was visited by one Olivia Newton-John, is drawing primarily positive reviews. The New York Daily News, for one, deemed the production "90 minutes of souped-up silliness" that translates into "a cure for the summertime blues." The Post, alas, offers one of the few grand slams, calling it "an absolutely ghastly show." I report, you decide.