In spite of the circle of notable musicians in her orbit, including husband and rapper Kanye West, Kim Kardashian has all but moved on from her one-time budding music career in favor of sticking with her wildly successful reality television series “Keeping Up with the Kardashians.” But it seems the 36-year-old owner of KKW Beauty still dabbles in activities of the singing variety — most notably, she revealed this week, with former President Barack Obama.