Well, Shannen, since you bring up “A Marshmallow World,” this may be the least worst thing anyone’s ever said about me in The Huffington Post. It’s from Michael Sigman’s centenary tribute to his prolific songwriter dad Carl (“Arriverderci, Roma,” “Ebb Tide,” “Pennsylvania 6-5000,” the theme from Love Story, etc), and, if you scroll down, you’ll discover the only thing I and the Cheetah Girls have in common.