The long-running Now That's What I Call Music! series is adding another volume in about two weeks and this one is a little different from its normal fare. Now That's What I Call Broadway! is an 18-track compilation rounding up tracks musical theater tracks from the last 40 years and is due to hit stores on April 29. While the Now! series is primarily focused on contemporary pop music from the Top 40 charts, it has had several detours into slightly other genres, like volumes focused on