It’s only natural that there should be an affinity between various genres of music, and that includes classical and more popular formats — musical comedy, for example, or jazz.
Sometimes, musicians in one field or the other have dabbled in a different idiom, and occasionally a figure from one has made a career change by switching to another.
This week, we’ll look at some composers and songwriters who have shared more than one limelight. The names will all be familiar — Gershwin, Kern, Rodgers, Marsalis, Bernstein and others — but the selections might be somewhat extra-curricular. Or maybe not. It depends on your point of view.